Home / 119,026.06-178,540.13-30,279.66

Finding the Fourth Proportional to 119,026.06, 178,540.13 and 30,279.66

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Solution

The fourth proportional to 119,026.06, 178,540.13 and 30,279.66 is: 45,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.06 : 178,540.13 = 30,279.66 : x
  2. Step 2: Convert to fraction form
    119,026.06/178,540.13 = 30,279.66/x
  3. Step 3: Cross multiply
    119,026.06x = 178,540.13 × 30,279.66
  4. Step 4: Simplify right side
    119,026.06x = 5,406,133,838.93
  5. Step 5: Solve for x
    x = 5,406,133,838.93/119,026.06
  6. Step 6: Final answer
    x = 45,419.75

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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.