Home / 499,400.82-749,172.06-162,332.10

Finding the Fourth Proportional to 499,400.82, 749,172.06 and 162,332.10

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Solution

The fourth proportional to 499,400.82, 749,172.06 and 162,332.10 is: 243,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,400.82 : 749,172.06 = 162,332.10 : x
  2. Step 2: Convert to fraction form
    499,400.82/749,172.06 = 162,332.10/x
  3. Step 3: Cross multiply
    499,400.82x = 749,172.06 × 162,332.10
  4. Step 4: Simplify right side
    499,400.82x = 121,614,673,761.13
  5. Step 5: Solve for x
    x = 121,614,673,761.13/499,400.82
  6. Step 6: Final answer
    x = 243,521.17

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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.