Home / 252,425.45-348,348.12-137,706.55

Finding the Fourth Proportional to 252,425.45, 348,348.12 and 137,706.55

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Solution

The fourth proportional to 252,425.45, 348,348.12 and 137,706.55 is: 190,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,425.45 : 348,348.12 = 137,706.55 : x
  2. Step 2: Convert to fraction form
    252,425.45/348,348.12 = 137,706.55/x
  3. Step 3: Cross multiply
    252,425.45x = 348,348.12 × 137,706.55
  4. Step 4: Simplify right side
    252,425.45x = 47,969,817,804.19
  5. Step 5: Solve for x
    x = 47,969,817,804.19/252,425.45
  6. Step 6: Final answer
    x = 190,035.58

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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.