Home / 149,865.18-224,731.53-79,727.82

Finding the Fourth Proportional to 149,865.18, 224,731.53 and 79,727.82

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Solution

The fourth proportional to 149,865.18, 224,731.53 and 79,727.82 is: 119,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,865.18 : 224,731.53 = 79,727.82 : x
  2. Step 2: Convert to fraction form
    149,865.18/224,731.53 = 79,727.82/x
  3. Step 3: Cross multiply
    149,865.18x = 224,731.53 × 79,727.82
  4. Step 4: Simplify right side
    149,865.18x = 17,917,354,972.16
  5. Step 5: Solve for x
    x = 17,917,354,972.16/149,865.18
  6. Step 6: Final answer
    x = 119,556.49

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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.