Home / 113,209.20-156,180.24-70,693.92

Finding the Fourth Proportional to 113,209.20, 156,180.24 and 70,693.92

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Solution

The fourth proportional to 113,209.20, 156,180.24 and 70,693.92 is: 97,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.20 : 156,180.24 = 70,693.92 : x
  2. Step 2: Convert to fraction form
    113,209.20/156,180.24 = 70,693.92/x
  3. Step 3: Cross multiply
    113,209.20x = 156,180.24 × 70,693.92
  4. Step 4: Simplify right side
    113,209.20x = 11,040,993,392.14
  5. Step 5: Solve for x
    x = 11,040,993,392.14/113,209.20
  6. Step 6: Final answer
    x = 97,527.35

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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.