Home / 178,900.12-268,350.18-66,577.42

Finding the Fourth Proportional to 178,900.12, 268,350.18 and 66,577.42

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Solution

The fourth proportional to 178,900.12, 268,350.18 and 66,577.42 is: 99,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,900.12 : 268,350.18 = 66,577.42 : x
  2. Step 2: Convert to fraction form
    178,900.12/268,350.18 = 66,577.42/x
  3. Step 3: Cross multiply
    178,900.12x = 268,350.18 × 66,577.42
  4. Step 4: Simplify right side
    178,900.12x = 17,866,063,101.21
  5. Step 5: Solve for x
    x = 17,866,063,101.21/178,900.12
  6. Step 6: Final answer
    x = 99,866.13

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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.