Home / 146,988.36-220,610.52-83,934.72

Finding the Fourth Proportional to 146,988.36, 220,610.52 and 83,934.72

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Solution

The fourth proportional to 146,988.36, 220,610.52 and 83,934.72 is: 125,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,988.36 : 220,610.52 = 83,934.72 : x
  2. Step 2: Convert to fraction form
    146,988.36/220,610.52 = 83,934.72/x
  3. Step 3: Cross multiply
    146,988.36x = 220,610.52 × 83,934.72
  4. Step 4: Simplify right side
    146,988.36x = 18,516,882,225.25
  5. Step 5: Solve for x
    x = 18,516,882,225.25/146,988.36
  6. Step 6: Final answer
    x = 125,975.16

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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.