Home / 130,467.20-195,700.80-88,995.20

Finding the Fourth Proportional to 130,467.20, 195,700.80 and 88,995.20

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Solution

The fourth proportional to 130,467.20, 195,700.80 and 88,995.20 is: 133,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,467.20 : 195,700.80 = 88,995.20 : x
  2. Step 2: Convert to fraction form
    130,467.20/195,700.80 = 88,995.20/x
  3. Step 3: Cross multiply
    130,467.20x = 195,700.80 × 88,995.20
  4. Step 4: Simplify right side
    130,467.20x = 17,416,431,836.16
  5. Step 5: Solve for x
    x = 17,416,431,836.16/130,467.20
  6. Step 6: Final answer
    x = 133,492.80

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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.