Home / 118,269.79-163,213.01-64,553.65

Finding the Fourth Proportional to 118,269.79, 163,213.01 and 64,553.65

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Solution

The fourth proportional to 118,269.79, 163,213.01 and 64,553.65 is: 89,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269.79 : 163,213.01 = 64,553.65 : x
  2. Step 2: Convert to fraction form
    118,269.79/163,213.01 = 64,553.65/x
  3. Step 3: Cross multiply
    118,269.79x = 163,213.01 × 64,553.65
  4. Step 4: Simplify right side
    118,269.79x = 10,535,995,034.26
  5. Step 5: Solve for x
    x = 10,535,995,034.26/118,269.79
  6. Step 6: Final answer
    x = 89,084.42

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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.