Home / 252,732.06-348,771.95-138,011.51

Finding the Fourth Proportional to 252,732.06, 348,771.95 and 138,011.51

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Solution

The fourth proportional to 252,732.06, 348,771.95 and 138,011.51 is: 190,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,732.06 : 348,771.95 = 138,011.51 : x
  2. Step 2: Convert to fraction form
    252,732.06/348,771.95 = 138,011.51/x
  3. Step 3: Cross multiply
    252,732.06x = 348,771.95 × 138,011.51
  4. Step 4: Simplify right side
    252,732.06x = 48,134,541,031.23
  5. Step 5: Solve for x
    x = 48,134,541,031.23/252,732.06
  6. Step 6: Final answer
    x = 190,456.81

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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.