Home / 178,971.13-268,458.31-54,312.13

Finding the Fourth Proportional to 178,971.13, 268,458.31 and 54,312.13

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Solution

The fourth proportional to 178,971.13, 268,458.31 and 54,312.13 is: 81,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,971.13 : 268,458.31 = 54,312.13 : x
  2. Step 2: Convert to fraction form
    178,971.13/268,458.31 = 54,312.13/x
  3. Step 3: Cross multiply
    178,971.13x = 268,458.31 × 54,312.13
  4. Step 4: Simplify right side
    178,971.13x = 14,580,542,632.30
  5. Step 5: Solve for x
    x = 14,580,542,632.30/178,971.13
  6. Step 6: Final answer
    x = 81,468.69

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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.