Home / 144,224.25-198,900.18-120,105.08

Finding the Fourth Proportional to 144,224.25, 198,900.18 and 120,105.08

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Solution

The fourth proportional to 144,224.25, 198,900.18 and 120,105.08 is: 165,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,224.25 : 198,900.18 = 120,105.08 : x
  2. Step 2: Convert to fraction form
    144,224.25/198,900.18 = 120,105.08/x
  3. Step 3: Cross multiply
    144,224.25x = 198,900.18 × 120,105.08
  4. Step 4: Simplify right side
    144,224.25x = 23,888,922,528.16
  5. Step 5: Solve for x
    x = 23,888,922,528.16/144,224.25
  6. Step 6: Final answer
    x = 165,637.35

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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.