Home / 454,615.27-681,898.17-139,072.17

Finding the Fourth Proportional to 454,615.27, 681,898.17 and 139,072.17

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Solution

The fourth proportional to 454,615.27, 681,898.17 and 139,072.17 is: 208,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,615.27 : 681,898.17 = 139,072.17 : x
  2. Step 2: Convert to fraction form
    454,615.27/681,898.17 = 139,072.17/x
  3. Step 3: Cross multiply
    454,615.27x = 681,898.17 × 139,072.17
  4. Step 4: Simplify right side
    454,615.27x = 94,833,058,568.61
  5. Step 5: Solve for x
    x = 94,833,058,568.61/454,615.27
  6. Step 6: Final answer
    x = 208,600.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.