Home / 112,692.87-155,516.22-70,251.57

Finding the Fourth Proportional to 112,692.87, 155,516.22 and 70,251.57

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Solution

The fourth proportional to 112,692.87, 155,516.22 and 70,251.57 is: 96,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,692.87 : 155,516.22 = 70,251.57 : x
  2. Step 2: Convert to fraction form
    112,692.87/155,516.22 = 70,251.57/x
  3. Step 3: Cross multiply
    112,692.87x = 155,516.22 × 70,251.57
  4. Step 4: Simplify right side
    112,692.87x = 10,925,258,615.47
  5. Step 5: Solve for x
    x = 10,925,258,615.47/112,692.87
  6. Step 6: Final answer
    x = 96,947.20

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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.