Home / 144,039.90-198,842.27-83,598.81

Finding the Fourth Proportional to 144,039.90, 198,842.27 and 83,598.81

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Solution

The fourth proportional to 144,039.90, 198,842.27 and 83,598.81 is: 115,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,039.90 : 198,842.27 = 83,598.81 : x
  2. Step 2: Convert to fraction form
    144,039.90/198,842.27 = 83,598.81/x
  3. Step 3: Cross multiply
    144,039.90x = 198,842.27 × 83,598.81
  4. Step 4: Simplify right side
    144,039.90x = 16,622,976,731.70
  5. Step 5: Solve for x
    x = 16,622,976,731.70/144,039.90
  6. Step 6: Final answer
    x = 115,405.36

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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.