Home / 157,116.91-235,675.86-38,788.27

Finding the Fourth Proportional to 157,116.91, 235,675.86 and 38,788.27

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Solution

The fourth proportional to 157,116.91, 235,675.86 and 38,788.27 is: 58,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,116.91 : 235,675.86 = 38,788.27 : x
  2. Step 2: Convert to fraction form
    157,116.91/235,675.86 = 38,788.27/x
  3. Step 3: Cross multiply
    157,116.91x = 235,675.86 × 38,788.27
  4. Step 4: Simplify right side
    157,116.91x = 9,141,458,890.16
  5. Step 5: Solve for x
    x = 9,141,458,890.16/157,116.91
  6. Step 6: Final answer
    x = 58,182.53

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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.