Home / 157,862.20-236,585.94-74,779.96

Finding the Fourth Proportional to 157,862.20, 236,585.94 and 74,779.96

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Solution

The fourth proportional to 157,862.20, 236,585.94 and 74,779.96 is: 112,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,862.20 : 236,585.94 = 74,779.96 : x
  2. Step 2: Convert to fraction form
    157,862.20/236,585.94 = 74,779.96/x
  3. Step 3: Cross multiply
    157,862.20x = 236,585.94 × 74,779.96
  4. Step 4: Simplify right side
    157,862.20x = 17,691,887,129.76
  5. Step 5: Solve for x
    x = 17,691,887,129.76/157,862.20
  6. Step 6: Final answer
    x = 112,071.71

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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.