Home / 101,143.97-150,946.87-89,934.18

Finding the Fourth Proportional to 101,143.97, 150,946.87 and 89,934.18

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Solution

The fourth proportional to 101,143.97, 150,946.87 and 89,934.18 is: 134,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.97 : 150,946.87 = 89,934.18 : x
  2. Step 2: Convert to fraction form
    101,143.97/150,946.87 = 89,934.18/x
  3. Step 3: Cross multiply
    101,143.97x = 150,946.87 × 89,934.18
  4. Step 4: Simplify right side
    101,143.97x = 13,575,282,977.02
  5. Step 5: Solve for x
    x = 13,575,282,977.02/101,143.97
  6. Step 6: Final answer
    x = 134,217.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.