Home / 107,488.26-148,400.19-69,261.30

Finding the Fourth Proportional to 107,488.26, 148,400.19 and 69,261.30

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Solution

The fourth proportional to 107,488.26, 148,400.19 and 69,261.30 is: 95,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,488.26 : 148,400.19 = 69,261.30 : x
  2. Step 2: Convert to fraction form
    107,488.26/148,400.19 = 69,261.30/x
  3. Step 3: Cross multiply
    107,488.26x = 148,400.19 × 69,261.30
  4. Step 4: Simplify right side
    107,488.26x = 10,278,390,079.65
  5. Step 5: Solve for x
    x = 10,278,390,079.65/107,488.26
  6. Step 6: Final answer
    x = 95,623.37

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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.