Home / 251,552.12-377,328.17-172,426.46

Finding the Fourth Proportional to 251,552.12, 377,328.17 and 172,426.46

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Solution

The fourth proportional to 251,552.12, 377,328.17 and 172,426.46 is: 258,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,552.12 : 377,328.17 = 172,426.46 : x
  2. Step 2: Convert to fraction form
    251,552.12/377,328.17 = 172,426.46/x
  3. Step 3: Cross multiply
    251,552.12x = 377,328.17 × 172,426.46
  4. Step 4: Simplify right side
    251,552.12x = 65,061,359,155.80
  5. Step 5: Solve for x
    x = 65,061,359,155.80/251,552.12
  6. Step 6: Final answer
    x = 258,639.68

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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.