Home / 125,555.74-173,276.62-71,857.60

Finding the Fourth Proportional to 125,555.74, 173,276.62 and 71,857.60

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Solution

The fourth proportional to 125,555.74, 173,276.62 and 71,857.60 is: 99,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,555.74 : 173,276.62 = 71,857.60 : x
  2. Step 2: Convert to fraction form
    125,555.74/173,276.62 = 71,857.60/x
  3. Step 3: Cross multiply
    125,555.74x = 173,276.62 × 71,857.60
  4. Step 4: Simplify right side
    125,555.74x = 12,451,242,049.31
  5. Step 5: Solve for x
    x = 12,451,242,049.31/125,555.74
  6. Step 6: Final answer
    x = 99,169.04

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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.