Home / 508,508.23-762,885.66-153,501.04

Finding the Fourth Proportional to 508,508.23, 762,885.66 and 153,501.04

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Solution

The fourth proportional to 508,508.23, 762,885.66 and 153,501.04 is: 230,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,508.23 : 762,885.66 = 153,501.04 : x
  2. Step 2: Convert to fraction form
    508,508.23/762,885.66 = 153,501.04/x
  3. Step 3: Cross multiply
    508,508.23x = 762,885.66 × 153,501.04
  4. Step 4: Simplify right side
    508,508.23x = 117,103,742,211.09
  5. Step 5: Solve for x
    x = 117,103,742,211.09/508,508.23
  6. Step 6: Final answer
    x = 230,288.78

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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.