Home / 353,194.17-487,588.55-272,440.41

Finding the Fourth Proportional to 353,194.17, 487,588.55 and 272,440.41

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Solution

The fourth proportional to 353,194.17, 487,588.55 and 272,440.41 is: 376,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,194.17 : 487,588.55 = 272,440.41 : x
  2. Step 2: Convert to fraction form
    353,194.17/487,588.55 = 272,440.41/x
  3. Step 3: Cross multiply
    353,194.17x = 487,588.55 × 272,440.41
  4. Step 4: Simplify right side
    353,194.17x = 132,838,823,254.33
  5. Step 5: Solve for x
    x = 132,838,823,254.33/353,194.17
  6. Step 6: Final answer
    x = 376,107.07

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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.