Home / 252,422.20-348,343.63-137,703.29

Finding the Fourth Proportional to 252,422.20, 348,343.63 and 137,703.29

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Solution

The fourth proportional to 252,422.20, 348,343.63 and 137,703.29 is: 190,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,422.20 : 348,343.63 = 137,703.29 : x
  2. Step 2: Convert to fraction form
    252,422.20/348,343.63 = 137,703.29/x
  3. Step 3: Cross multiply
    252,422.20x = 348,343.63 × 137,703.29
  4. Step 4: Simplify right side
    252,422.20x = 47,968,061,815.57
  5. Step 5: Solve for x
    x = 47,968,061,815.57/252,422.20
  6. Step 6: Final answer
    x = 190,031.08

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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.