Home / 148,917.52-205,732.20-111,126.16

Finding the Fourth Proportional to 148,917.52, 205,732.20 and 111,126.16

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Solution

The fourth proportional to 148,917.52, 205,732.20 and 111,126.16 is: 153,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,917.52 : 205,732.20 = 111,126.16 : x
  2. Step 2: Convert to fraction form
    148,917.52/205,732.20 = 111,126.16/x
  3. Step 3: Cross multiply
    148,917.52x = 205,732.20 × 111,126.16
  4. Step 4: Simplify right side
    148,917.52x = 22,862,229,374.35
  5. Step 5: Solve for x
    x = 22,862,229,374.35/148,917.52
  6. Step 6: Final answer
    x = 153,522.76

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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.