Home / 157,517.41-217,374.07-85,895.59

Finding the Fourth Proportional to 157,517.41, 217,374.07 and 85,895.59

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Solution

The fourth proportional to 157,517.41, 217,374.07 and 85,895.59 is: 118,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.41 : 217,374.07 = 85,895.59 : x
  2. Step 2: Convert to fraction form
    157,517.41/217,374.07 = 85,895.59/x
  3. Step 3: Cross multiply
    157,517.41x = 217,374.07 × 85,895.59
  4. Step 4: Simplify right side
    157,517.41x = 18,671,472,906.48
  5. Step 5: Solve for x
    x = 18,671,472,906.48/157,517.41
  6. Step 6: Final answer
    x = 118,535.94

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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.