Home / 107,281.84-147,987.38-66,925.52

Finding the Fourth Proportional to 107,281.84, 147,987.38 and 66,925.52

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Solution

The fourth proportional to 107,281.84, 147,987.38 and 66,925.52 is: 92,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,281.84 : 147,987.38 = 66,925.52 : x
  2. Step 2: Convert to fraction form
    107,281.84/147,987.38 = 66,925.52/x
  3. Step 3: Cross multiply
    107,281.84x = 147,987.38 × 66,925.52
  4. Step 4: Simplify right side
    107,281.84x = 9,904,132,359.94
  5. Step 5: Solve for x
    x = 9,904,132,359.94/107,281.84
  6. Step 6: Final answer
    x = 92,318.82

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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.