Home / 283,748.68-391,577.52-154,687.24

Finding the Fourth Proportional to 283,748.68, 391,577.52 and 154,687.24

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Solution

The fourth proportional to 283,748.68, 391,577.52 and 154,687.24 is: 213,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,748.68 : 391,577.52 = 154,687.24 : x
  2. Step 2: Convert to fraction form
    283,748.68/391,577.52 = 154,687.24/x
  3. Step 3: Cross multiply
    283,748.68x = 391,577.52 × 154,687.24
  4. Step 4: Simplify right side
    283,748.68x = 60,572,045,814.84
  5. Step 5: Solve for x
    x = 60,572,045,814.84/283,748.68
  6. Step 6: Final answer
    x = 213,470.76

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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.