Home / 118,308.92-163,096.70-72,956.43

Finding the Fourth Proportional to 118,308.92, 163,096.70 and 72,956.43

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Solution

The fourth proportional to 118,308.92, 163,096.70 and 72,956.43 is: 100,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.92 : 163,096.70 = 72,956.43 : x
  2. Step 2: Convert to fraction form
    118,308.92/163,096.70 = 72,956.43/x
  3. Step 3: Cross multiply
    118,308.92x = 163,096.70 × 72,956.43
  4. Step 4: Simplify right side
    118,308.92x = 11,898,952,612.00
  5. Step 5: Solve for x
    x = 11,898,952,612.00/118,308.92
  6. Step 6: Final answer
    x = 100,575.28

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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.