Home / 112,656.45-155,455.26-67,325.41

Finding the Fourth Proportional to 112,656.45, 155,455.26 and 67,325.41

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Solution

The fourth proportional to 112,656.45, 155,455.26 and 67,325.41 is: 92,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,656.45 : 155,455.26 = 67,325.41 : x
  2. Step 2: Convert to fraction form
    112,656.45/155,455.26 = 67,325.41/x
  3. Step 3: Cross multiply
    112,656.45x = 155,455.26 × 67,325.41
  4. Step 4: Simplify right side
    112,656.45x = 10,466,088,338.88
  5. Step 5: Solve for x
    x = 10,466,088,338.88/112,656.45
  6. Step 6: Final answer
    x = 92,902.70

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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.