Home / 104,192.11-143,784.97-56,445.65

Finding the Fourth Proportional to 104,192.11, 143,784.97 and 56,445.65

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Solution

The fourth proportional to 104,192.11, 143,784.97 and 56,445.65 is: 77,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.11 : 143,784.97 = 56,445.65 : x
  2. Step 2: Convert to fraction form
    104,192.11/143,784.97 = 56,445.65/x
  3. Step 3: Cross multiply
    104,192.11x = 143,784.97 × 56,445.65
  4. Step 4: Simplify right side
    104,192.11x = 8,116,036,091.88
  5. Step 5: Solve for x
    x = 8,116,036,091.88/104,192.11
  6. Step 6: Final answer
    x = 77,894.92

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Double scale
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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.