Home / 106,532.36-147,067.87-66,259.12

Finding the Fourth Proportional to 106,532.36, 147,067.87 and 66,259.12

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Solution

The fourth proportional to 106,532.36, 147,067.87 and 66,259.12 is: 91,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,532.36 : 147,067.87 = 66,259.12 : x
  2. Step 2: Convert to fraction form
    106,532.36/147,067.87 = 66,259.12/x
  3. Step 3: Cross multiply
    106,532.36x = 147,067.87 × 66,259.12
  4. Step 4: Simplify right side
    106,532.36x = 9,744,587,646.47
  5. Step 5: Solve for x
    x = 9,744,587,646.47/106,532.36
  6. Step 6: Final answer
    x = 91,470.68

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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.