Home / 104,215.90-143,818.45-56,469.24

Finding the Fourth Proportional to 104,215.90, 143,818.45 and 56,469.24

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Solution

The fourth proportional to 104,215.90, 143,818.45 and 56,469.24 is: 77,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,215.90 : 143,818.45 = 56,469.24 : x
  2. Step 2: Convert to fraction form
    104,215.90/143,818.45 = 56,469.24/x
  3. Step 3: Cross multiply
    104,215.90x = 143,818.45 × 56,469.24
  4. Step 4: Simplify right side
    104,215.90x = 8,121,318,569.48
  5. Step 5: Solve for x
    x = 8,121,318,569.48/104,215.90
  6. Step 6: Final answer
    x = 77,927.83

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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.