Home / 112,591.66-155,197.83-88,680.46

Finding the Fourth Proportional to 112,591.66, 155,197.83 and 88,680.46

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Solution

The fourth proportional to 112,591.66, 155,197.83 and 88,680.46 is: 122,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,591.66 : 155,197.83 = 88,680.46 : x
  2. Step 2: Convert to fraction form
    112,591.66/155,197.83 = 88,680.46/x
  3. Step 3: Cross multiply
    112,591.66x = 155,197.83 × 88,680.46
  4. Step 4: Simplify right side
    112,591.66x = 13,763,014,955.40
  5. Step 5: Solve for x
    x = 13,763,014,955.40/112,591.66
  6. Step 6: Final answer
    x = 122,238.32

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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.