Home / 144,024.48-198,763.38-80,363.64

Finding the Fourth Proportional to 144,024.48, 198,763.38 and 80,363.64

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Solution

The fourth proportional to 144,024.48, 198,763.38 and 80,363.64 is: 110,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.48 : 198,763.38 = 80,363.64 : x
  2. Step 2: Convert to fraction form
    144,024.48/198,763.38 = 80,363.64/x
  3. Step 3: Cross multiply
    144,024.48x = 198,763.38 × 80,363.64
  4. Step 4: Simplify right side
    144,024.48x = 15,973,348,715.50
  5. Step 5: Solve for x
    x = 15,973,348,715.50/144,024.48
  6. Step 6: Final answer
    x = 110,907.18

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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.