Home / 130,767.20-195,888.24-110,690.72

Finding the Fourth Proportional to 130,767.20, 195,888.24 and 110,690.72

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Solution

The fourth proportional to 130,767.20, 195,888.24 and 110,690.72 is: 165,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,767.20 : 195,888.24 = 110,690.72 : x
  2. Step 2: Convert to fraction form
    130,767.20/195,888.24 = 110,690.72/x
  3. Step 3: Cross multiply
    130,767.20x = 195,888.24 × 110,690.72
  4. Step 4: Simplify right side
    130,767.20x = 21,683,010,325.13
  5. Step 5: Solve for x
    x = 21,683,010,325.13/130,767.20
  6. Step 6: Final answer
    x = 165,813.83

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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.