Home / 149,981.71-225,055.59-89,862.44

Finding the Fourth Proportional to 149,981.71, 225,055.59 and 89,862.44

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Solution

The fourth proportional to 149,981.71, 225,055.59 and 89,862.44 is: 134,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,981.71 : 225,055.59 = 89,862.44 : x
  2. Step 2: Convert to fraction form
    149,981.71/225,055.59 = 89,862.44/x
  3. Step 3: Cross multiply
    149,981.71x = 225,055.59 × 89,862.44
  4. Step 4: Simplify right side
    149,981.71x = 20,224,044,453.04
  5. Step 5: Solve for x
    x = 20,224,044,453.04/149,981.71
  6. Step 6: Final answer
    x = 134,843.40

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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.