Home / 148,095.16-222,043.92-81,566.80

Finding the Fourth Proportional to 148,095.16, 222,043.92 and 81,566.80

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Solution

The fourth proportional to 148,095.16, 222,043.92 and 81,566.80 is: 122,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,095.16 : 222,043.92 = 81,566.80 : x
  2. Step 2: Convert to fraction form
    148,095.16/222,043.92 = 81,566.80/x
  3. Step 3: Cross multiply
    148,095.16x = 222,043.92 × 81,566.80
  4. Step 4: Simplify right side
    148,095.16x = 18,111,412,013.86
  5. Step 5: Solve for x
    x = 18,111,412,013.86/148,095.16
  6. Step 6: Final answer
    x = 122,295.77

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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.