Home / 130,442.40-195,901.20-114,112.80

Finding the Fourth Proportional to 130,442.40, 195,901.20 and 114,112.80

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Solution

The fourth proportional to 130,442.40, 195,901.20 and 114,112.80 is: 171,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,442.40 : 195,901.20 = 114,112.80 : x
  2. Step 2: Convert to fraction form
    130,442.40/195,901.20 = 114,112.80/x
  3. Step 3: Cross multiply
    130,442.40x = 195,901.20 × 114,112.80
  4. Step 4: Simplify right side
    130,442.40x = 22,354,834,455.36
  5. Step 5: Solve for x
    x = 22,354,834,455.36/130,442.40
  6. Step 6: Final answer
    x = 171,377.06

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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.