Home / 107,452.23-148,243.80-66,597.68

Finding the Fourth Proportional to 107,452.23, 148,243.80 and 66,597.68

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Solution

The fourth proportional to 107,452.23, 148,243.80 and 66,597.68 is: 91,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,452.23 : 148,243.80 = 66,597.68 : x
  2. Step 2: Convert to fraction form
    107,452.23/148,243.80 = 66,597.68/x
  3. Step 3: Cross multiply
    107,452.23x = 148,243.80 × 66,597.68
  4. Step 4: Simplify right side
    107,452.23x = 9,872,693,154.38
  5. Step 5: Solve for x
    x = 9,872,693,154.38/107,452.23
  6. Step 6: Final answer
    x = 91,879.83

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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.