Home / 178,895.13-268,342.47-45,775.43

Finding the Fourth Proportional to 178,895.13, 268,342.47 and 45,775.43

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Solution

The fourth proportional to 178,895.13, 268,342.47 and 45,775.43 is: 68,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,895.13 : 268,342.47 = 45,775.43 : x
  2. Step 2: Convert to fraction form
    178,895.13/268,342.47 = 45,775.43/x
  3. Step 3: Cross multiply
    178,895.13x = 268,342.47 × 45,775.43
  4. Step 4: Simplify right side
    178,895.13x = 12,283,491,616.08
  5. Step 5: Solve for x
    x = 12,283,491,616.08/178,895.13
  6. Step 6: Final answer
    x = 68,663.08

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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.