Home / 165,062.86-227,554.02-117,298.78

Finding the Fourth Proportional to 165,062.86, 227,554.02 and 117,298.78

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Solution

The fourth proportional to 165,062.86, 227,554.02 and 117,298.78 is: 161,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,062.86 : 227,554.02 = 117,298.78 : x
  2. Step 2: Convert to fraction form
    165,062.86/227,554.02 = 117,298.78/x
  3. Step 3: Cross multiply
    165,062.86x = 227,554.02 × 117,298.78
  4. Step 4: Simplify right side
    165,062.86x = 26,691,808,930.10
  5. Step 5: Solve for x
    x = 26,691,808,930.10/165,062.86
  6. Step 6: Final answer
    x = 161,706.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.