Home / 130,822.20-196,306.20-55,929.60

Finding the Fourth Proportional to 130,822.20, 196,306.20 and 55,929.60

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Solution

The fourth proportional to 130,822.20, 196,306.20 and 55,929.60 is: 83,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,822.20 : 196,306.20 = 55,929.60 : x
  2. Step 2: Convert to fraction form
    130,822.20/196,306.20 = 55,929.60/x
  3. Step 3: Cross multiply
    130,822.20x = 196,306.20 × 55,929.60
  4. Step 4: Simplify right side
    130,822.20x = 10,979,327,243.52
  5. Step 5: Solve for x
    x = 10,979,327,243.52/130,822.20
  6. Step 6: Final answer
    x = 83,925.57

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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.