Home / 178,789.83-268,184.47-45,670.12

Finding the Fourth Proportional to 178,789.83, 268,184.47 and 45,670.12

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Solution

The fourth proportional to 178,789.83, 268,184.47 and 45,670.12 is: 68,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,789.83 : 268,184.47 = 45,670.12 : x
  2. Step 2: Convert to fraction form
    178,789.83/268,184.47 = 45,670.12/x
  3. Step 3: Cross multiply
    178,789.83x = 268,184.47 × 45,670.12
  4. Step 4: Simplify right side
    178,789.83x = 12,248,016,927.04
  5. Step 5: Solve for x
    x = 12,248,016,927.04/178,789.83
  6. Step 6: Final answer
    x = 68,505.11

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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.