Home / 144,025.80-198,529.11-98,625.18

Finding the Fourth Proportional to 144,025.80, 198,529.11 and 98,625.18

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Solution

The fourth proportional to 144,025.80, 198,529.11 and 98,625.18 is: 135,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,025.80 : 198,529.11 = 98,625.18 : x
  2. Step 2: Convert to fraction form
    144,025.80/198,529.11 = 98,625.18/x
  3. Step 3: Cross multiply
    144,025.80x = 198,529.11 × 98,625.18
  4. Step 4: Simplify right side
    144,025.80x = 19,579,969,208.99
  5. Step 5: Solve for x
    x = 19,579,969,208.99/144,025.80
  6. Step 6: Final answer
    x = 135,947.65

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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.