Home / 157,117.89-235,677.31-38,789.24

Finding the Fourth Proportional to 157,117.89, 235,677.31 and 38,789.24

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Solution

The fourth proportional to 157,117.89, 235,677.31 and 38,789.24 is: 58,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,117.89 : 235,677.31 = 38,789.24 : x
  2. Step 2: Convert to fraction form
    157,117.89/235,677.31 = 38,789.24/x
  3. Step 3: Cross multiply
    157,117.89x = 235,677.31 × 38,789.24
  4. Step 4: Simplify right side
    157,117.89x = 9,141,743,566.76
  5. Step 5: Solve for x
    x = 9,141,743,566.76/157,117.89
  6. Step 6: Final answer
    x = 58,183.98

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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.