Home / 127,715.24-176,247-74,031.41

Finding the Fourth Proportional to 127,715.24, 176,247 and 74,031.41

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Solution

The fourth proportional to 127,715.24, 176,247 and 74,031.41 is: 102,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.24 : 176,247 = 74,031.41 : x
  2. Step 2: Convert to fraction form
    127,715.24/176,247 = 74,031.41/x
  3. Step 3: Cross multiply
    127,715.24x = 176,247 × 74,031.41
  4. Step 4: Simplify right side
    127,715.24x = 13,047,813,918.27
  5. Step 5: Solve for x
    x = 13,047,813,918.27/127,715.24
  6. Step 6: Final answer
    x = 102,163.33

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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.