Home / 127,719.24-176,252.51-74,035.42

Finding the Fourth Proportional to 127,719.24, 176,252.51 and 74,035.42

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Solution

The fourth proportional to 127,719.24, 176,252.51 and 74,035.42 is: 102,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,719.24 : 176,252.51 = 74,035.42 : x
  2. Step 2: Convert to fraction form
    127,719.24/176,252.51 = 74,035.42/x
  3. Step 3: Cross multiply
    127,719.24x = 176,252.51 × 74,035.42
  4. Step 4: Simplify right side
    127,719.24x = 13,048,928,603.90
  5. Step 5: Solve for x
    x = 13,048,928,603.90/127,719.24
  6. Step 6: Final answer
    x = 102,168.86

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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.