Home / 107,186.28-147,882.99-61,858.26

Finding the Fourth Proportional to 107,186.28, 147,882.99 and 61,858.26

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Solution

The fourth proportional to 107,186.28, 147,882.99 and 61,858.26 is: 85,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,186.28 : 147,882.99 = 61,858.26 : x
  2. Step 2: Convert to fraction form
    107,186.28/147,882.99 = 61,858.26/x
  3. Step 3: Cross multiply
    107,186.28x = 147,882.99 × 61,858.26
  4. Step 4: Simplify right side
    107,186.28x = 9,147,784,445.00
  5. Step 5: Solve for x
    x = 9,147,784,445.00/107,186.28
  6. Step 6: Final answer
    x = 85,344.73

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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.