Home / 283,748.04-391,543.20-162,860.40

Finding the Fourth Proportional to 283,748.04, 391,543.20 and 162,860.40

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Solution

The fourth proportional to 283,748.04, 391,543.20 and 162,860.40 is: 224,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,748.04 : 391,543.20 = 162,860.40 : x
  2. Step 2: Convert to fraction form
    283,748.04/391,543.20 = 162,860.40/x
  3. Step 3: Cross multiply
    283,748.04x = 391,543.20 × 162,860.40
  4. Step 4: Simplify right side
    283,748.04x = 63,766,882,169.28
  5. Step 5: Solve for x
    x = 63,766,882,169.28/283,748.04
  6. Step 6: Final answer
    x = 224,730.65

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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.