Home / 118,490.48-163,517.18-64,776.12

Finding the Fourth Proportional to 118,490.48, 163,517.18 and 64,776.12

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Solution

The fourth proportional to 118,490.48, 163,517.18 and 64,776.12 is: 89,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,490.48 : 163,517.18 = 64,776.12 : x
  2. Step 2: Convert to fraction form
    118,490.48/163,517.18 = 64,776.12/x
  3. Step 3: Cross multiply
    118,490.48x = 163,517.18 × 64,776.12
  4. Step 4: Simplify right side
    118,490.48x = 10,592,008,473.74
  5. Step 5: Solve for x
    x = 10,592,008,473.74/118,490.48
  6. Step 6: Final answer
    x = 89,391.22

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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.