Home / 112,126.20-168,423.30-94,630.20

Finding the Fourth Proportional to 112,126.20, 168,423.30 and 94,630.20

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Solution

The fourth proportional to 112,126.20, 168,423.30 and 94,630.20 is: 142,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,126.20 : 168,423.30 = 94,630.20 : x
  2. Step 2: Convert to fraction form
    112,126.20/168,423.30 = 94,630.20/x
  3. Step 3: Cross multiply
    112,126.20x = 168,423.30 × 94,630.20
  4. Step 4: Simplify right side
    112,126.20x = 15,937,930,563.66
  5. Step 5: Solve for x
    x = 15,937,930,563.66/112,126.20
  6. Step 6: Final answer
    x = 142,142.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.