Home / 432,417.50-648,688.27-132,923.23

Finding the Fourth Proportional to 432,417.50, 648,688.27 and 132,923.23

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Solution

The fourth proportional to 432,417.50, 648,688.27 and 132,923.23 is: 199,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,417.50 : 648,688.27 = 132,923.23 : x
  2. Step 2: Convert to fraction form
    432,417.50/648,688.27 = 132,923.23/x
  3. Step 3: Cross multiply
    432,417.50x = 648,688.27 × 132,923.23
  4. Step 4: Simplify right side
    432,417.50x = 86,225,738,780.56
  5. Step 5: Solve for x
    x = 86,225,738,780.56/432,417.50
  6. Step 6: Final answer
    x = 199,403.91

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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.