Home / 178,549.49-246,397.62-97,978.38

Finding the Fourth Proportional to 178,549.49, 246,397.62 and 97,978.38

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Solution

The fourth proportional to 178,549.49, 246,397.62 and 97,978.38 is: 135,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,549.49 : 246,397.62 = 97,978.38 : x
  2. Step 2: Convert to fraction form
    178,549.49/246,397.62 = 97,978.38/x
  3. Step 3: Cross multiply
    178,549.49x = 246,397.62 × 97,978.38
  4. Step 4: Simplify right side
    178,549.49x = 24,141,639,086.88
  5. Step 5: Solve for x
    x = 24,141,639,086.88/178,549.49
  6. Step 6: Final answer
    x = 135,209.79

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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.