Home / 161,947.89-223,503.90-121,040.85

Finding the Fourth Proportional to 161,947.89, 223,503.90 and 121,040.85

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Solution

The fourth proportional to 161,947.89, 223,503.90 and 121,040.85 is: 167,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,947.89 : 223,503.90 = 121,040.85 : x
  2. Step 2: Convert to fraction form
    161,947.89/223,503.90 = 121,040.85/x
  3. Step 3: Cross multiply
    161,947.89x = 223,503.90 × 121,040.85
  4. Step 4: Simplify right side
    161,947.89x = 27,053,102,034.32
  5. Step 5: Solve for x
    x = 27,053,102,034.32/161,947.89
  6. Step 6: Final answer
    x = 167,048.19

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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.