Home / 112,158.49-154,773.25-66,835.46

Finding the Fourth Proportional to 112,158.49, 154,773.25 and 66,835.46

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Solution

The fourth proportional to 112,158.49, 154,773.25 and 66,835.46 is: 92,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158.49 : 154,773.25 = 66,835.46 : x
  2. Step 2: Convert to fraction form
    112,158.49/154,773.25 = 66,835.46/x
  3. Step 3: Cross multiply
    112,158.49x = 154,773.25 × 66,835.46
  4. Step 4: Simplify right side
    112,158.49x = 10,344,340,251.40
  5. Step 5: Solve for x
    x = 10,344,340,251.40/112,158.49
  6. Step 6: Final answer
    x = 92,229.67

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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.