Home / 499,056.38-748,799.09-162,200.33

Finding the Fourth Proportional to 499,056.38, 748,799.09 and 162,200.33

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Solution

The fourth proportional to 499,056.38, 748,799.09 and 162,200.33 is: 243,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,056.38 : 748,799.09 = 162,200.33 : x
  2. Step 2: Convert to fraction form
    499,056.38/748,799.09 = 162,200.33/x
  3. Step 3: Cross multiply
    499,056.38x = 748,799.09 × 162,200.33
  4. Step 4: Simplify right side
    499,056.38x = 121,455,454,946.70
  5. Step 5: Solve for x
    x = 121,455,454,946.70/499,056.38
  6. Step 6: Final answer
    x = 243,370.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.