Home / 107,318.97-148,115.58-64,300.16

Finding the Fourth Proportional to 107,318.97, 148,115.58 and 64,300.16

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Solution

The fourth proportional to 107,318.97, 148,115.58 and 64,300.16 is: 88,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,318.97 : 148,115.58 = 64,300.16 : x
  2. Step 2: Convert to fraction form
    107,318.97/148,115.58 = 64,300.16/x
  3. Step 3: Cross multiply
    107,318.97x = 148,115.58 × 64,300.16
  4. Step 4: Simplify right side
    107,318.97x = 9,523,855,862.78
  5. Step 5: Solve for x
    x = 9,523,855,862.78/107,318.97
  6. Step 6: Final answer
    x = 88,743.45

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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.