Home / 135,977.48-187,649.15-75,548.19

Finding the Fourth Proportional to 135,977.48, 187,649.15 and 75,548.19

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Solution

The fourth proportional to 135,977.48, 187,649.15 and 75,548.19 is: 104,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,977.48 : 187,649.15 = 75,548.19 : x
  2. Step 2: Convert to fraction form
    135,977.48/187,649.15 = 75,548.19/x
  3. Step 3: Cross multiply
    135,977.48x = 187,649.15 × 75,548.19
  4. Step 4: Simplify right side
    135,977.48x = 14,176,553,963.48
  5. Step 5: Solve for x
    x = 14,176,553,963.48/135,977.48
  6. Step 6: Final answer
    x = 104,256.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.