Home / 123,534.30-185,301.45-73,014.60

Finding the Fourth Proportional to 123,534.30, 185,301.45 and 73,014.60

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Solution

The fourth proportional to 123,534.30, 185,301.45 and 73,014.60 is: 109,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,534.30 : 185,301.45 = 73,014.60 : x
  2. Step 2: Convert to fraction form
    123,534.30/185,301.45 = 73,014.60/x
  3. Step 3: Cross multiply
    123,534.30x = 185,301.45 × 73,014.60
  4. Step 4: Simplify right side
    123,534.30x = 13,529,711,251.17
  5. Step 5: Solve for x
    x = 13,529,711,251.17/123,534.30
  6. Step 6: Final answer
    x = 109,521.90

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1.5x scale

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.