Home / 432,458.60-648,750.06-132,964.34

Finding the Fourth Proportional to 432,458.60, 648,750.06 and 132,964.34

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Solution

The fourth proportional to 432,458.60, 648,750.06 and 132,964.34 is: 199,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,458.60 : 648,750.06 = 132,964.34 : x
  2. Step 2: Convert to fraction form
    432,458.60/648,750.06 = 132,964.34/x
  3. Step 3: Cross multiply
    432,458.60x = 648,750.06 × 132,964.34
  4. Step 4: Simplify right side
    432,458.60x = 86,260,620,309.11
  5. Step 5: Solve for x
    x = 86,260,620,309.11/432,458.60
  6. Step 6: Final answer
    x = 199,465.62

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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.