Home / 118,470.20-163,488.46-64,755.18

Finding the Fourth Proportional to 118,470.20, 163,488.46 and 64,755.18

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Solution

The fourth proportional to 118,470.20, 163,488.46 and 64,755.18 is: 89,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,470.20 : 163,488.46 = 64,755.18 : x
  2. Step 2: Convert to fraction form
    118,470.20/163,488.46 = 64,755.18/x
  3. Step 3: Cross multiply
    118,470.20x = 163,488.46 × 64,755.18
  4. Step 4: Simplify right side
    118,470.20x = 10,586,724,655.22
  5. Step 5: Solve for x
    x = 10,586,724,655.22/118,470.20
  6. Step 6: Final answer
    x = 89,361.92

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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.