Home / 174,417.20-261,625.80-85,727.60

Finding the Fourth Proportional to 174,417.20, 261,625.80 and 85,727.60

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Solution

The fourth proportional to 174,417.20, 261,625.80 and 85,727.60 is: 128,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,417.20 : 261,625.80 = 85,727.60 : x
  2. Step 2: Convert to fraction form
    174,417.20/261,625.80 = 85,727.60/x
  3. Step 3: Cross multiply
    174,417.20x = 261,625.80 × 85,727.60
  4. Step 4: Simplify right side
    174,417.20x = 22,428,551,932.08
  5. Step 5: Solve for x
    x = 22,428,551,932.08/174,417.20
  6. Step 6: Final answer
    x = 128,591.40

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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.