Home / 115,657.12-173,418.24-56,432.80

Finding the Fourth Proportional to 115,657.12, 173,418.24 and 56,432.80

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Solution

The fourth proportional to 115,657.12, 173,418.24 and 56,432.80 is: 84,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.12 : 173,418.24 = 56,432.80 : x
  2. Step 2: Convert to fraction form
    115,657.12/173,418.24 = 56,432.80/x
  3. Step 3: Cross multiply
    115,657.12x = 173,418.24 × 56,432.80
  4. Step 4: Simplify right side
    115,657.12x = 9,786,476,854.27
  5. Step 5: Solve for x
    x = 9,786,476,854.27/115,657.12
  6. Step 6: Final answer
    x = 84,616.29

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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.