Home / 134,931.60-202,397.40-108,687.60

Finding the Fourth Proportional to 134,931.60, 202,397.40 and 108,687.60

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Solution

The fourth proportional to 134,931.60, 202,397.40 and 108,687.60 is: 163,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,931.60 : 202,397.40 = 108,687.60 : x
  2. Step 2: Convert to fraction form
    134,931.60/202,397.40 = 108,687.60/x
  3. Step 3: Cross multiply
    134,931.60x = 202,397.40 × 108,687.60
  4. Step 4: Simplify right side
    134,931.60x = 21,998,087,652.24
  5. Step 5: Solve for x
    x = 21,998,087,652.24/134,931.60
  6. Step 6: Final answer
    x = 163,031.40

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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.