Home / 151,685.68-209,393.24-97,996.72

Finding the Fourth Proportional to 151,685.68, 209,393.24 and 97,996.72

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Solution

The fourth proportional to 151,685.68, 209,393.24 and 97,996.72 is: 135,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,685.68 : 209,393.24 = 97,996.72 : x
  2. Step 2: Convert to fraction form
    151,685.68/209,393.24 = 97,996.72/x
  3. Step 3: Cross multiply
    151,685.68x = 209,393.24 × 97,996.72
  4. Step 4: Simplify right side
    151,685.68x = 20,519,850,710.17
  5. Step 5: Solve for x
    x = 20,519,850,710.17/151,685.68
  6. Step 6: Final answer
    x = 135,278.76

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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.