Home / 432,848.80-649,273.20-117,344.80

Finding the Fourth Proportional to 432,848.80, 649,273.20 and 117,344.80

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Solution

The fourth proportional to 432,848.80, 649,273.20 and 117,344.80 is: 176,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,848.80 : 649,273.20 = 117,344.80 : x
  2. Step 2: Convert to fraction form
    432,848.80/649,273.20 = 117,344.80/x
  3. Step 3: Cross multiply
    432,848.80x = 649,273.20 × 117,344.80
  4. Step 4: Simplify right side
    432,848.80x = 76,188,833,799.36
  5. Step 5: Solve for x
    x = 76,188,833,799.36/432,848.80
  6. Step 6: Final answer
    x = 176,017.20

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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.