Home / 432,196.65-648,271.55-132,677.28

Finding the Fourth Proportional to 432,196.65, 648,271.55 and 132,677.28

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Solution

The fourth proportional to 432,196.65, 648,271.55 and 132,677.28 is: 199,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,196.65 : 648,271.55 = 132,677.28 : x
  2. Step 2: Convert to fraction form
    432,196.65/648,271.55 = 132,677.28/x
  3. Step 3: Cross multiply
    432,196.65x = 648,271.55 × 132,677.28
  4. Step 4: Simplify right side
    432,196.65x = 86,010,905,292.00
  5. Step 5: Solve for x
    x = 86,010,905,292.00/432,196.65
  6. Step 6: Final answer
    x = 199,008.73

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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.