Home / 144,534.46-199,433.77-90,781.19

Finding the Fourth Proportional to 144,534.46, 199,433.77 and 90,781.19

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Solution

The fourth proportional to 144,534.46, 199,433.77 and 90,781.19 is: 125,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,534.46 : 199,433.77 = 90,781.19 : x
  2. Step 2: Convert to fraction form
    144,534.46/199,433.77 = 90,781.19/x
  3. Step 3: Cross multiply
    144,534.46x = 199,433.77 × 90,781.19
  4. Step 4: Simplify right side
    144,534.46x = 18,104,834,512.88
  5. Step 5: Solve for x
    x = 18,104,834,512.88/144,534.46
  6. Step 6: Final answer
    x = 125,263.10

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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.