Home / 284,035.20-391,950.36-156,710.76

Finding the Fourth Proportional to 284,035.20, 391,950.36 and 156,710.76

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Solution

The fourth proportional to 284,035.20, 391,950.36 and 156,710.76 is: 216,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,035.20 : 391,950.36 = 156,710.76 : x
  2. Step 2: Convert to fraction form
    284,035.20/391,950.36 = 156,710.76/x
  3. Step 3: Cross multiply
    284,035.20x = 391,950.36 × 156,710.76
  4. Step 4: Simplify right side
    284,035.20x = 61,422,838,797.87
  5. Step 5: Solve for x
    x = 61,422,838,797.87/284,035.20
  6. Step 6: Final answer
    x = 216,250.80

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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.