Home / 284,003.90-391,944.40-163,184.30

Finding the Fourth Proportional to 284,003.90, 391,944.40 and 163,184.30

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Solution

The fourth proportional to 284,003.90, 391,944.40 and 163,184.30 is: 225,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,003.90 : 391,944.40 = 163,184.30 : x
  2. Step 2: Convert to fraction form
    284,003.90/391,944.40 = 163,184.30/x
  3. Step 3: Cross multiply
    284,003.90x = 391,944.40 × 163,184.30
  4. Step 4: Simplify right side
    284,003.90x = 63,959,172,552.92
  5. Step 5: Solve for x
    x = 63,959,172,552.92/284,003.90
  6. Step 6: Final answer
    x = 225,205.26

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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.