Home / 107,753.28-148,554.59-75,444.44

Finding the Fourth Proportional to 107,753.28, 148,554.59 and 75,444.44

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Solution

The fourth proportional to 107,753.28, 148,554.59 and 75,444.44 is: 104,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,753.28 : 148,554.59 = 75,444.44 : x
  2. Step 2: Convert to fraction form
    107,753.28/148,554.59 = 75,444.44/x
  3. Step 3: Cross multiply
    107,753.28x = 148,554.59 × 75,444.44
  4. Step 4: Simplify right side
    107,753.28x = 11,207,617,851.98
  5. Step 5: Solve for x
    x = 11,207,617,851.98/107,753.28
  6. Step 6: Final answer
    x = 104,011.85

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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.