Home / 432,816.12-649,163.61-148,501.98

Finding the Fourth Proportional to 432,816.12, 649,163.61 and 148,501.98

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Solution

The fourth proportional to 432,816.12, 649,163.61 and 148,501.98 is: 222,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,816.12 : 649,163.61 = 148,501.98 : x
  2. Step 2: Convert to fraction form
    432,816.12/649,163.61 = 148,501.98/x
  3. Step 3: Cross multiply
    432,816.12x = 649,163.61 × 148,501.98
  4. Step 4: Simplify right side
    432,816.12x = 96,402,081,428.95
  5. Step 5: Solve for x
    x = 96,402,081,428.95/432,816.12
  6. Step 6: Final answer
    x = 222,732.19

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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.