Home / 144,095.38-198,893.86-83,693.18

Finding the Fourth Proportional to 144,095.38, 198,893.86 and 83,693.18

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Solution

The fourth proportional to 144,095.38, 198,893.86 and 83,693.18 is: 115,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,095.38 : 198,893.86 = 83,693.18 : x
  2. Step 2: Convert to fraction form
    144,095.38/198,893.86 = 83,693.18/x
  3. Step 3: Cross multiply
    144,095.38x = 198,893.86 × 83,693.18
  4. Step 4: Simplify right side
    144,095.38x = 16,646,059,625.87
  5. Step 5: Solve for x
    x = 16,646,059,625.87/144,095.38
  6. Step 6: Final answer
    x = 115,521.12

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1.5x scale

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.