Home / 118,660.92-163,752.12-64,945.88

Finding the Fourth Proportional to 118,660.92, 163,752.12 and 64,945.88

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Solution

The fourth proportional to 118,660.92, 163,752.12 and 64,945.88 is: 89,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,660.92 : 163,752.12 = 64,945.88 : x
  2. Step 2: Convert to fraction form
    118,660.92/163,752.12 = 64,945.88/x
  3. Step 3: Cross multiply
    118,660.92x = 163,752.12 × 64,945.88
  4. Step 4: Simplify right side
    118,660.92x = 10,635,025,535.27
  5. Step 5: Solve for x
    x = 10,635,025,535.27/118,660.92
  6. Step 6: Final answer
    x = 89,625.34

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1.5x scale

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.