Home / 130,272.40-195,700.20-125,315.20

Finding the Fourth Proportional to 130,272.40, 195,700.20 and 125,315.20

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Solution

The fourth proportional to 130,272.40, 195,700.20 and 125,315.20 is: 188,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,272.40 : 195,700.20 = 125,315.20 : x
  2. Step 2: Convert to fraction form
    130,272.40/195,700.20 = 125,315.20/x
  3. Step 3: Cross multiply
    130,272.40x = 195,700.20 × 125,315.20
  4. Step 4: Simplify right side
    130,272.40x = 24,524,209,703.04
  5. Step 5: Solve for x
    x = 24,524,209,703.04/130,272.40
  6. Step 6: Final answer
    x = 188,253.30

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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.