Home / 118,444.20-177,320.70-106,002.60

Finding the Fourth Proportional to 118,444.20, 177,320.70 and 106,002.60

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Solution

The fourth proportional to 118,444.20, 177,320.70 and 106,002.60 is: 158,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,444.20 : 177,320.70 = 106,002.60 : x
  2. Step 2: Convert to fraction form
    118,444.20/177,320.70 = 106,002.60/x
  3. Step 3: Cross multiply
    118,444.20x = 177,320.70 × 106,002.60
  4. Step 4: Simplify right side
    118,444.20x = 18,796,455,233.82
  5. Step 5: Solve for x
    x = 18,796,455,233.82/118,444.20
  6. Step 6: Final answer
    x = 158,694.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.