Home / 130,626.12-196,026.60-47,520.12

Finding the Fourth Proportional to 130,626.12, 196,026.60 and 47,520.12

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Solution

The fourth proportional to 130,626.12, 196,026.60 and 47,520.12 is: 71,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,626.12 : 196,026.60 = 47,520.12 : x
  2. Step 2: Convert to fraction form
    130,626.12/196,026.60 = 47,520.12/x
  3. Step 3: Cross multiply
    130,626.12x = 196,026.60 × 47,520.12
  4. Step 4: Simplify right side
    130,626.12x = 9,315,207,555.19
  5. Step 5: Solve for x
    x = 9,315,207,555.19/130,626.12
  6. Step 6: Final answer
    x = 71,311.98

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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.