Home / 283,544.97-391,292.07-156,219.45

Finding the Fourth Proportional to 283,544.97, 391,292.07 and 156,219.45

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Solution

The fourth proportional to 283,544.97, 391,292.07 and 156,219.45 is: 215,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,544.97 : 391,292.07 = 156,219.45 : x
  2. Step 2: Convert to fraction form
    283,544.97/391,292.07 = 156,219.45/x
  3. Step 3: Cross multiply
    283,544.97x = 391,292.07 × 156,219.45
  4. Step 4: Simplify right side
    283,544.97x = 61,127,431,964.76
  5. Step 5: Solve for x
    x = 61,127,431,964.76/283,544.97
  6. Step 6: Final answer
    x = 215,582.85

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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.