Home / 127,951.34-191,844.87-53,123.13

Finding the Fourth Proportional to 127,951.34, 191,844.87 and 53,123.13

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Solution

The fourth proportional to 127,951.34, 191,844.87 and 53,123.13 is: 79,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.34 : 191,844.87 = 53,123.13 : x
  2. Step 2: Convert to fraction form
    127,951.34/191,844.87 = 53,123.13/x
  3. Step 3: Cross multiply
    127,951.34x = 191,844.87 × 53,123.13
  4. Step 4: Simplify right side
    127,951.34x = 10,191,399,968.84
  5. Step 5: Solve for x
    x = 10,191,399,968.84/127,951.34
  6. Step 6: Final answer
    x = 79,650.60

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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.