Home / 127,291.41-190,885.10-55,248.93

Finding the Fourth Proportional to 127,291.41, 190,885.10 and 55,248.93

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Solution

The fourth proportional to 127,291.41, 190,885.10 and 55,248.93 is: 82,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,291.41 : 190,885.10 = 55,248.93 : x
  2. Step 2: Convert to fraction form
    127,291.41/190,885.10 = 55,248.93/x
  3. Step 3: Cross multiply
    127,291.41x = 190,885.10 × 55,248.93
  4. Step 4: Simplify right side
    127,291.41x = 10,546,197,251.70
  5. Step 5: Solve for x
    x = 10,546,197,251.70/127,291.41
  6. Step 6: Final answer
    x = 82,850.82

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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.