Home / 251,401.04-346,834.80-143,913.36

Finding the Fourth Proportional to 251,401.04, 346,834.80 and 143,913.36

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Solution

The fourth proportional to 251,401.04, 346,834.80 and 143,913.36 is: 198,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,401.04 : 346,834.80 = 143,913.36 : x
  2. Step 2: Convert to fraction form
    251,401.04/346,834.80 = 143,913.36/x
  3. Step 3: Cross multiply
    251,401.04x = 346,834.80 × 143,913.36
  4. Step 4: Simplify right side
    251,401.04x = 49,914,161,432.93
  5. Step 5: Solve for x
    x = 49,914,161,432.93/251,401.04
  6. Step 6: Final answer
    x = 198,543.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.