Home / 161,132.10-241,406.55-98,729.70

Finding the Fourth Proportional to 161,132.10, 241,406.55 and 98,729.70

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Solution

The fourth proportional to 161,132.10, 241,406.55 and 98,729.70 is: 147,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,132.10 : 241,406.55 = 98,729.70 : x
  2. Step 2: Convert to fraction form
    161,132.10/241,406.55 = 98,729.70/x
  3. Step 3: Cross multiply
    161,132.10x = 241,406.55 × 98,729.70
  4. Step 4: Simplify right side
    161,132.10x = 23,833,996,259.54
  5. Step 5: Solve for x
    x = 23,833,996,259.54/161,132.10
  6. Step 6: Final answer
    x = 147,915.88

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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.