Home / 121,207.40-181,665.30-62,012.60

Finding the Fourth Proportional to 121,207.40, 181,665.30 and 62,012.60

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Solution

The fourth proportional to 121,207.40, 181,665.30 and 62,012.60 is: 92,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,207.40 : 181,665.30 = 62,012.60 : x
  2. Step 2: Convert to fraction form
    121,207.40/181,665.30 = 62,012.60/x
  3. Step 3: Cross multiply
    121,207.40x = 181,665.30 × 62,012.60
  4. Step 4: Simplify right side
    121,207.40x = 11,265,537,582.78
  5. Step 5: Solve for x
    x = 11,265,537,582.78/121,207.40
  6. Step 6: Final answer
    x = 92,944.31

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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.