Home / 284,003.46-391,924.76-156,679.05

Finding the Fourth Proportional to 284,003.46, 391,924.76 and 156,679.05

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Solution

The fourth proportional to 284,003.46, 391,924.76 and 156,679.05 is: 216,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,003.46 : 391,924.76 = 156,679.05 : x
  2. Step 2: Convert to fraction form
    284,003.46/391,924.76 = 156,679.05/x
  3. Step 3: Cross multiply
    284,003.46x = 391,924.76 × 156,679.05
  4. Step 4: Simplify right side
    284,003.46x = 61,406,398,284.88
  5. Step 5: Solve for x
    x = 61,406,398,284.88/284,003.46
  6. Step 6: Final answer
    x = 216,217.08

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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.