Home / 110,839.20-152,920.16-63,080.60

Finding the Fourth Proportional to 110,839.20, 152,920.16 and 63,080.60

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Solution

The fourth proportional to 110,839.20, 152,920.16 and 63,080.60 is: 87,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,839.20 : 152,920.16 = 63,080.60 : x
  2. Step 2: Convert to fraction form
    110,839.20/152,920.16 = 63,080.60/x
  3. Step 3: Cross multiply
    110,839.20x = 152,920.16 × 63,080.60
  4. Step 4: Simplify right side
    110,839.20x = 9,646,295,444.90
  5. Step 5: Solve for x
    x = 9,646,295,444.90/110,839.20
  6. Step 6: Final answer
    x = 87,029.64

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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.