Home / 432,430.54-648,707.83-132,936.23

Finding the Fourth Proportional to 432,430.54, 648,707.83 and 132,936.23

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Solution

The fourth proportional to 432,430.54, 648,707.83 and 132,936.23 is: 199,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,430.54 : 648,707.83 = 132,936.23 : x
  2. Step 2: Convert to fraction form
    432,430.54/648,707.83 = 132,936.23/x
  3. Step 3: Cross multiply
    432,430.54x = 648,707.83 × 132,936.23
  4. Step 4: Simplify right side
    432,430.54x = 86,236,774,581.11
  5. Step 5: Solve for x
    x = 86,236,774,581.11/432,430.54
  6. Step 6: Final answer
    x = 199,423.42

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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.