Home / 157,589.92-235,155.73-140,606.15

Finding the Fourth Proportional to 157,589.92, 235,155.73 and 140,606.15

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Solution

The fourth proportional to 157,589.92, 235,155.73 and 140,606.15 is: 209,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,589.92 : 235,155.73 = 140,606.15 : x
  2. Step 2: Convert to fraction form
    157,589.92/235,155.73 = 140,606.15/x
  3. Step 3: Cross multiply
    157,589.92x = 235,155.73 × 140,606.15
  4. Step 4: Simplify right side
    157,589.92x = 33,064,342,961.66
  5. Step 5: Solve for x
    x = 33,064,342,961.66/157,589.92
  6. Step 6: Final answer
    x = 209,812.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.