Home / 281,679.40-422,234.78-176,572.18

Finding the Fourth Proportional to 281,679.40, 422,234.78 and 176,572.18

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Solution

The fourth proportional to 281,679.40, 422,234.78 and 176,572.18 is: 264,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,679.40 : 422,234.78 = 176,572.18 : x
  2. Step 2: Convert to fraction form
    281,679.40/422,234.78 = 176,572.18/x
  3. Step 3: Cross multiply
    281,679.40x = 422,234.78 × 176,572.18
  4. Step 4: Simplify right side
    281,679.40x = 74,554,913,465.25
  5. Step 5: Solve for x
    x = 74,554,913,465.25/281,679.40
  6. Step 6: Final answer
    x = 264,680.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.