Home / 113,206.20-156,176.10-70,690.92

Finding the Fourth Proportional to 113,206.20, 156,176.10 and 70,690.92

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Solution

The fourth proportional to 113,206.20, 156,176.10 and 70,690.92 is: 97,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,206.20 : 156,176.10 = 70,690.92 : x
  2. Step 2: Convert to fraction form
    113,206.20/156,176.10 = 70,690.92/x
  3. Step 3: Cross multiply
    113,206.20x = 156,176.10 × 70,690.92
  4. Step 4: Simplify right side
    113,206.20x = 11,040,232,191.01
  5. Step 5: Solve for x
    x = 11,040,232,191.01/113,206.20
  6. Step 6: Final answer
    x = 97,523.21

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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.