Home / 118,320.24-176,454.06-100,902

Finding the Fourth Proportional to 118,320.24, 176,454.06 and 100,902

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Solution

The fourth proportional to 118,320.24, 176,454.06 and 100,902 is: 150,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,320.24 : 176,454.06 = 100,902 : x
  2. Step 2: Convert to fraction form
    118,320.24/176,454.06 = 100,902/x
  3. Step 3: Cross multiply
    118,320.24x = 176,454.06 × 100,902
  4. Step 4: Simplify right side
    118,320.24x = 17,804,567,562.12
  5. Step 5: Solve for x
    x = 17,804,567,562.12/118,320.24
  6. Step 6: Final answer
    x = 150,477.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.