Home / 136,155.60-204,233.40-98,539.20

Finding the Fourth Proportional to 136,155.60, 204,233.40 and 98,539.20

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Solution

The fourth proportional to 136,155.60, 204,233.40 and 98,539.20 is: 147,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,155.60 : 204,233.40 = 98,539.20 : x
  2. Step 2: Convert to fraction form
    136,155.60/204,233.40 = 98,539.20/x
  3. Step 3: Cross multiply
    136,155.60x = 204,233.40 × 98,539.20
  4. Step 4: Simplify right side
    136,155.60x = 20,124,995,849.28
  5. Step 5: Solve for x
    x = 20,124,995,849.28/136,155.60
  6. Step 6: Final answer
    x = 147,808.80

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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.