Home / 107,335.68-148,071.78-75,522.12

Finding the Fourth Proportional to 107,335.68, 148,071.78 and 75,522.12

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Solution

The fourth proportional to 107,335.68, 148,071.78 and 75,522.12 is: 104,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,335.68 : 148,071.78 = 75,522.12 : x
  2. Step 2: Convert to fraction form
    107,335.68/148,071.78 = 75,522.12/x
  3. Step 3: Cross multiply
    107,335.68x = 148,071.78 × 75,522.12
  4. Step 4: Simplify right side
    107,335.68x = 11,182,694,737.77
  5. Step 5: Solve for x
    x = 11,182,694,737.77/107,335.68
  6. Step 6: Final answer
    x = 104,184.32

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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.