Home / 132,316.80-198,475.20-130,012.80

Finding the Fourth Proportional to 132,316.80, 198,475.20 and 130,012.80

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Solution

The fourth proportional to 132,316.80, 198,475.20 and 130,012.80 is: 195,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,316.80 : 198,475.20 = 130,012.80 : x
  2. Step 2: Convert to fraction form
    132,316.80/198,475.20 = 130,012.80/x
  3. Step 3: Cross multiply
    132,316.80x = 198,475.20 × 130,012.80
  4. Step 4: Simplify right side
    132,316.80x = 25,804,316,482.56
  5. Step 5: Solve for x
    x = 25,804,316,482.56/132,316.80
  6. Step 6: Final answer
    x = 195,019.20

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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.