Home / 149,316.83-223,840.78-54,480.82

Finding the Fourth Proportional to 149,316.83, 223,840.78 and 54,480.82

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Solution

The fourth proportional to 149,316.83, 223,840.78 and 54,480.82 is: 81,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,316.83 : 223,840.78 = 54,480.82 : x
  2. Step 2: Convert to fraction form
    149,316.83/223,840.78 = 54,480.82/x
  3. Step 3: Cross multiply
    149,316.83x = 223,840.78 × 54,480.82
  4. Step 4: Simplify right side
    149,316.83x = 12,195,029,243.84
  5. Step 5: Solve for x
    x = 12,195,029,243.84/149,316.83
  6. Step 6: Final answer
    x = 81,672.17

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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.