Home / 130,427.40-195,320.32-63,652.20

Finding the Fourth Proportional to 130,427.40, 195,320.32 and 63,652.20

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Solution

The fourth proportional to 130,427.40, 195,320.32 and 63,652.20 is: 95,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,427.40 : 195,320.32 = 63,652.20 : x
  2. Step 2: Convert to fraction form
    130,427.40/195,320.32 = 63,652.20/x
  3. Step 3: Cross multiply
    130,427.40x = 195,320.32 × 63,652.20
  4. Step 4: Simplify right side
    130,427.40x = 12,432,568,072.70
  5. Step 5: Solve for x
    x = 12,432,568,072.70/130,427.40
  6. Step 6: Final answer
    x = 95,321.75

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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.