Home / 144,116.48-198,879.04-83,687.04

Finding the Fourth Proportional to 144,116.48, 198,879.04 and 83,687.04

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Solution

The fourth proportional to 144,116.48, 198,879.04 and 83,687.04 is: 115,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,116.48 : 198,879.04 = 83,687.04 : x
  2. Step 2: Convert to fraction form
    144,116.48/198,879.04 = 83,687.04/x
  3. Step 3: Cross multiply
    144,116.48x = 198,879.04 × 83,687.04
  4. Step 4: Simplify right side
    144,116.48x = 16,643,598,175.64
  5. Step 5: Solve for x
    x = 16,643,598,175.64/144,116.48
  6. Step 6: Final answer
    x = 115,487.13

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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.