Home / 157,635.44-217,535.10-86,016.66

Finding the Fourth Proportional to 157,635.44, 217,535.10 and 86,016.66

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Solution

The fourth proportional to 157,635.44, 217,535.10 and 86,016.66 is: 118,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,635.44 : 217,535.10 = 86,016.66 : x
  2. Step 2: Convert to fraction form
    157,635.44/217,535.10 = 86,016.66/x
  3. Step 3: Cross multiply
    157,635.44x = 217,535.10 × 86,016.66
  4. Step 4: Simplify right side
    157,635.44x = 18,711,641,596.45
  5. Step 5: Solve for x
    x = 18,711,641,596.45/157,635.44
  6. Step 6: Final answer
    x = 118,702.00

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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.