Home / 178,322.13-267,518.17-66,003.31

Finding the Fourth Proportional to 178,322.13, 267,518.17 and 66,003.31

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Solution

The fourth proportional to 178,322.13, 267,518.17 and 66,003.31 is: 99,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,322.13 : 267,518.17 = 66,003.31 : x
  2. Step 2: Convert to fraction form
    178,322.13/267,518.17 = 66,003.31/x
  3. Step 3: Cross multiply
    178,322.13x = 267,518.17 × 66,003.31
  4. Step 4: Simplify right side
    178,322.13x = 17,657,083,431.62
  5. Step 5: Solve for x
    x = 17,657,083,431.62/178,322.13
  6. Step 6: Final answer
    x = 99,017.90

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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.