Home / 127,564.40-176,063.24-84,467.92

Finding the Fourth Proportional to 127,564.40, 176,063.24 and 84,467.92

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Solution

The fourth proportional to 127,564.40, 176,063.24 and 84,467.92 is: 116,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564.40 : 176,063.24 = 84,467.92 : x
  2. Step 2: Convert to fraction form
    127,564.40/176,063.24 = 84,467.92/x
  3. Step 3: Cross multiply
    127,564.40x = 176,063.24 × 84,467.92
  4. Step 4: Simplify right side
    127,564.40x = 14,871,695,671.26
  5. Step 5: Solve for x
    x = 14,871,695,671.26/127,564.40
  6. Step 6: Final answer
    x = 116,581.87

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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.