Home / 454,618.17-681,954.57-139,077.81

Finding the Fourth Proportional to 454,618.17, 681,954.57 and 139,077.81

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Solution

The fourth proportional to 454,618.17, 681,954.57 and 139,077.81 is: 208,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,618.17 : 681,954.57 = 139,077.81 : x
  2. Step 2: Convert to fraction form
    454,618.17/681,954.57 = 139,077.81/x
  3. Step 3: Cross multiply
    454,618.17x = 681,954.57 × 139,077.81
  4. Step 4: Simplify right side
    454,618.17x = 94,844,748,115.09
  5. Step 5: Solve for x
    x = 94,844,748,115.09/454,618.17
  6. Step 6: Final answer
    x = 208,625.07

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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.