Home / 435,261.60-652,629.96-198,803.16

Finding the Fourth Proportional to 435,261.60, 652,629.96 and 198,803.16

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Solution

The fourth proportional to 435,261.60, 652,629.96 and 198,803.16 is: 298,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,261.60 : 652,629.96 = 198,803.16 : x
  2. Step 2: Convert to fraction form
    435,261.60/652,629.96 = 198,803.16/x
  3. Step 3: Cross multiply
    435,261.60x = 652,629.96 × 198,803.16
  4. Step 4: Simplify right side
    435,261.60x = 129,744,898,358.67
  5. Step 5: Solve for x
    x = 129,744,898,358.67/435,261.60
  6. Step 6: Final answer
    x = 298,084.87

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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.