Home / 281,841.19-389,144.96-181,414.15

Finding the Fourth Proportional to 281,841.19, 389,144.96 and 181,414.15

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Solution

The fourth proportional to 281,841.19, 389,144.96 and 181,414.15 is: 250,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,841.19 : 389,144.96 = 181,414.15 : x
  2. Step 2: Convert to fraction form
    281,841.19/389,144.96 = 181,414.15/x
  3. Step 3: Cross multiply
    281,841.19x = 389,144.96 × 181,414.15
  4. Step 4: Simplify right side
    281,841.19x = 70,596,400,945.55
  5. Step 5: Solve for x
    x = 70,596,400,945.55/281,841.19
  6. Step 6: Final answer
    x = 250,482.91

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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.