Home / 445,488.84-668,215.04-161,186.13

Finding the Fourth Proportional to 445,488.84, 668,215.04 and 161,186.13

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Solution

The fourth proportional to 445,488.84, 668,215.04 and 161,186.13 is: 241,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,488.84 : 668,215.04 = 161,186.13 : x
  2. Step 2: Convert to fraction form
    445,488.84/668,215.04 = 161,186.13/x
  3. Step 3: Cross multiply
    445,488.84x = 668,215.04 × 161,186.13
  4. Step 4: Simplify right side
    445,488.84x = 107,706,995,499.47
  5. Step 5: Solve for x
    x = 107,706,995,499.47/445,488.84
  6. Step 6: Final answer
    x = 241,772.60

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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.