Home / 125,252.68-172,855.66-71,555.12

Finding the Fourth Proportional to 125,252.68, 172,855.66 and 71,555.12

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Solution

The fourth proportional to 125,252.68, 172,855.66 and 71,555.12 is: 98,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,252.68 : 172,855.66 = 71,555.12 : x
  2. Step 2: Convert to fraction form
    125,252.68/172,855.66 = 71,555.12/x
  3. Step 3: Cross multiply
    125,252.68x = 172,855.66 × 71,555.12
  4. Step 4: Simplify right side
    125,252.68x = 12,368,707,493.98
  5. Step 5: Solve for x
    x = 12,368,707,493.98/125,252.68
  6. Step 6: Final answer
    x = 98,750.04

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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.