Home / 130,120.40-194,873.40-88,341.20

Finding the Fourth Proportional to 130,120.40, 194,873.40 and 88,341.20

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Solution

The fourth proportional to 130,120.40, 194,873.40 and 88,341.20 is: 132,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,120.40 : 194,873.40 = 88,341.20 : x
  2. Step 2: Convert to fraction form
    130,120.40/194,873.40 = 88,341.20/x
  3. Step 3: Cross multiply
    130,120.40x = 194,873.40 × 88,341.20
  4. Step 4: Simplify right side
    130,120.40x = 17,215,350,004.08
  5. Step 5: Solve for x
    x = 17,215,350,004.08/130,120.40
  6. Step 6: Final answer
    x = 132,303.24

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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.