Home / 104,212.91-143,813.95-56,466.23

Finding the Fourth Proportional to 104,212.91, 143,813.95 and 56,466.23

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Solution

The fourth proportional to 104,212.91, 143,813.95 and 56,466.23 is: 77,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.91 : 143,813.95 = 56,466.23 : x
  2. Step 2: Convert to fraction form
    104,212.91/143,813.95 = 56,466.23/x
  3. Step 3: Cross multiply
    104,212.91x = 143,813.95 × 56,466.23
  4. Step 4: Simplify right side
    104,212.91x = 8,120,630,717.67
  5. Step 5: Solve for x
    x = 8,120,630,717.67/104,212.91
  6. Step 6: Final answer
    x = 77,923.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.