Home / 453,904.41-680,965.96-138,341.91

Finding the Fourth Proportional to 453,904.41, 680,965.96 and 138,341.91

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Solution

The fourth proportional to 453,904.41, 680,965.96 and 138,341.91 is: 207,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.41 : 680,965.96 = 138,341.91 : x
  2. Step 2: Convert to fraction form
    453,904.41/680,965.96 = 138,341.91/x
  3. Step 3: Cross multiply
    453,904.41x = 680,965.96 × 138,341.91
  4. Step 4: Simplify right side
    453,904.41x = 94,206,131,551.38
  5. Step 5: Solve for x
    x = 94,206,131,551.38/453,904.41
  6. Step 6: Final answer
    x = 207,546.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.