Home / 122,243.76-183,330.06-47,347.20

Finding the Fourth Proportional to 122,243.76, 183,330.06 and 47,347.20

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Solution

The fourth proportional to 122,243.76, 183,330.06 and 47,347.20 is: 71,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243.76 : 183,330.06 = 47,347.20 : x
  2. Step 2: Convert to fraction form
    122,243.76/183,330.06 = 47,347.20/x
  3. Step 3: Cross multiply
    122,243.76x = 183,330.06 × 47,347.20
  4. Step 4: Simplify right side
    122,243.76x = 8,680,165,016.83
  5. Step 5: Solve for x
    x = 8,680,165,016.83/122,243.76
  6. Step 6: Final answer
    x = 71,007.02

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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.