Home / 178,889.11-268,332.35-45,769.05

Finding the Fourth Proportional to 178,889.11, 268,332.35 and 45,769.05

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Solution

The fourth proportional to 178,889.11, 268,332.35 and 45,769.05 is: 68,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,889.11 : 268,332.35 = 45,769.05 : x
  2. Step 2: Convert to fraction form
    178,889.11/268,332.35 = 45,769.05/x
  3. Step 3: Cross multiply
    178,889.11x = 268,332.35 × 45,769.05
  4. Step 4: Simplify right side
    178,889.11x = 12,281,316,514.92
  5. Step 5: Solve for x
    x = 12,281,316,514.92/178,889.11
  6. Step 6: Final answer
    x = 68,653.24

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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.