Home / 187,226.80-280,840.20-54,111.40

Finding the Fourth Proportional to 187,226.80, 280,840.20 and 54,111.40

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Solution

The fourth proportional to 187,226.80, 280,840.20 and 54,111.40 is: 81,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,226.80 : 280,840.20 = 54,111.40 : x
  2. Step 2: Convert to fraction form
    187,226.80/280,840.20 = 54,111.40/x
  3. Step 3: Cross multiply
    187,226.80x = 280,840.20 × 54,111.40
  4. Step 4: Simplify right side
    187,226.80x = 15,196,656,398.28
  5. Step 5: Solve for x
    x = 15,196,656,398.28/187,226.80
  6. Step 6: Final answer
    x = 81,167.10

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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.