Home / 112,546.27-155,361.68-70,125.76

Finding the Fourth Proportional to 112,546.27, 155,361.68 and 70,125.76

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Solution

The fourth proportional to 112,546.27, 155,361.68 and 70,125.76 is: 96,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.27 : 155,361.68 = 70,125.76 : x
  2. Step 2: Convert to fraction form
    112,546.27/155,361.68 = 70,125.76/x
  3. Step 3: Cross multiply
    112,546.27x = 155,361.68 × 70,125.76
  4. Step 4: Simplify right side
    112,546.27x = 10,894,855,884.88
  5. Step 5: Solve for x
    x = 10,894,855,884.88/112,546.27
  6. Step 6: Final answer
    x = 96,803.35

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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.