Home / 454,604.23-681,881.79-139,061.17

Finding the Fourth Proportional to 454,604.23, 681,881.79 and 139,061.17

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Solution

The fourth proportional to 454,604.23, 681,881.79 and 139,061.17 is: 208,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,604.23 : 681,881.79 = 139,061.17 : x
  2. Step 2: Convert to fraction form
    454,604.23/681,881.79 = 139,061.17/x
  3. Step 3: Cross multiply
    454,604.23x = 681,881.79 × 139,061.17
  4. Step 4: Simplify right side
    454,604.23x = 94,823,276,109.69
  5. Step 5: Solve for x
    x = 94,823,276,109.69/454,604.23
  6. Step 6: Final answer
    x = 208,584.24

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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.