Home / 176,660.16-243,786.24-100,193.28

Finding the Fourth Proportional to 176,660.16, 243,786.24 and 100,193.28

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Solution

The fourth proportional to 176,660.16, 243,786.24 and 100,193.28 is: 138,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,660.16 : 243,786.24 = 100,193.28 : x
  2. Step 2: Convert to fraction form
    176,660.16/243,786.24 = 100,193.28/x
  3. Step 3: Cross multiply
    176,660.16x = 243,786.24 × 100,193.28
  4. Step 4: Simplify right side
    176,660.16x = 24,425,743,004.47
  5. Step 5: Solve for x
    x = 24,425,743,004.47/176,660.16
  6. Step 6: Final answer
    x = 138,264.01

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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.