Home / 101,542.14-151,586.40-88,259.76

Finding the Fourth Proportional to 101,542.14, 151,586.40 and 88,259.76

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Solution

The fourth proportional to 101,542.14, 151,586.40 and 88,259.76 is: 131,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,542.14 : 151,586.40 = 88,259.76 : x
  2. Step 2: Convert to fraction form
    101,542.14/151,586.40 = 88,259.76/x
  3. Step 3: Cross multiply
    101,542.14x = 151,586.40 × 88,259.76
  4. Step 4: Simplify right side
    101,542.14x = 13,378,979,283.26
  5. Step 5: Solve for x
    x = 13,378,979,283.26/101,542.14
  6. Step 6: Final answer
    x = 131,757.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.