Home / 151,686.68-209,394.62-97,997.72

Finding the Fourth Proportional to 151,686.68, 209,394.62 and 97,997.72

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Solution

The fourth proportional to 151,686.68, 209,394.62 and 97,997.72 is: 135,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,686.68 : 209,394.62 = 97,997.72 : x
  2. Step 2: Convert to fraction form
    151,686.68/209,394.62 = 97,997.72/x
  3. Step 3: Cross multiply
    151,686.68x = 209,394.62 × 97,997.72
  4. Step 4: Simplify right side
    151,686.68x = 20,520,195,340.27
  5. Step 5: Solve for x
    x = 20,520,195,340.27/151,686.68
  6. Step 6: Final answer
    x = 135,280.14

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1.5x scale

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.