Home / 127,937.54-176,551.85-74,231.81

Finding the Fourth Proportional to 127,937.54, 176,551.85 and 74,231.81

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Solution

The fourth proportional to 127,937.54, 176,551.85 and 74,231.81 is: 102,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,937.54 : 176,551.85 = 74,231.81 : x
  2. Step 2: Convert to fraction form
    127,937.54/176,551.85 = 74,231.81/x
  3. Step 3: Cross multiply
    127,937.54x = 176,551.85 × 74,231.81
  4. Step 4: Simplify right side
    127,937.54x = 13,105,763,349.24
  5. Step 5: Solve for x
    x = 13,105,763,349.24/127,937.54
  6. Step 6: Final answer
    x = 102,438.76

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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.