Home / 124,561.20-186,841.80-121,280.70

Finding the Fourth Proportional to 124,561.20, 186,841.80 and 121,280.70

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Solution

The fourth proportional to 124,561.20, 186,841.80 and 121,280.70 is: 181,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561.20 : 186,841.80 = 121,280.70 : x
  2. Step 2: Convert to fraction form
    124,561.20/186,841.80 = 121,280.70/x
  3. Step 3: Cross multiply
    124,561.20x = 186,841.80 × 121,280.70
  4. Step 4: Simplify right side
    124,561.20x = 22,660,304,293.26
  5. Step 5: Solve for x
    x = 22,660,304,293.26/124,561.20
  6. Step 6: Final answer
    x = 181,921.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.