Home / 134,681.10-185,861.19-74,253.96

Finding the Fourth Proportional to 134,681.10, 185,861.19 and 74,253.96

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Solution

The fourth proportional to 134,681.10, 185,861.19 and 74,253.96 is: 102,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.10 : 185,861.19 = 74,253.96 : x
  2. Step 2: Convert to fraction form
    134,681.10/185,861.19 = 74,253.96/x
  3. Step 3: Cross multiply
    134,681.10x = 185,861.19 × 74,253.96
  4. Step 4: Simplify right side
    134,681.10x = 13,800,929,367.81
  5. Step 5: Solve for x
    x = 13,800,929,367.81/134,681.10
  6. Step 6: Final answer
    x = 102,471.17

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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.