Home / 251,047.22-346,451.19-137,872.40

Finding the Fourth Proportional to 251,047.22, 346,451.19 and 137,872.40

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Solution

The fourth proportional to 251,047.22, 346,451.19 and 137,872.40 is: 190,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,047.22 : 346,451.19 = 137,872.40 : x
  2. Step 2: Convert to fraction form
    251,047.22/346,451.19 = 137,872.40/x
  3. Step 3: Cross multiply
    251,047.22x = 346,451.19 × 137,872.40
  4. Step 4: Simplify right side
    251,047.22x = 47,766,057,048.16
  5. Step 5: Solve for x
    x = 47,766,057,048.16/251,047.22
  6. Step 6: Final answer
    x = 190,267.22

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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.