Home / 132,042.15-197,618.54-121,116.87

Finding the Fourth Proportional to 132,042.15, 197,618.54 and 121,116.87

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Solution

The fourth proportional to 132,042.15, 197,618.54 and 121,116.87 is: 181,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,042.15 : 197,618.54 = 121,116.87 : x
  2. Step 2: Convert to fraction form
    132,042.15/197,618.54 = 121,116.87/x
  3. Step 3: Cross multiply
    132,042.15x = 197,618.54 × 121,116.87
  4. Step 4: Simplify right side
    132,042.15x = 23,934,938,413.19
  5. Step 5: Solve for x
    x = 23,934,938,413.19/132,042.15
  6. Step 6: Final answer
    x = 181,267.41

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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.