Home / 118,252.20-177,086.70-78,594.60

Finding the Fourth Proportional to 118,252.20, 177,086.70 and 78,594.60

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Solution

The fourth proportional to 118,252.20, 177,086.70 and 78,594.60 is: 117,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.20 : 177,086.70 = 78,594.60 : x
  2. Step 2: Convert to fraction form
    118,252.20/177,086.70 = 78,594.60/x
  3. Step 3: Cross multiply
    118,252.20x = 177,086.70 × 78,594.60
  4. Step 4: Simplify right side
    118,252.20x = 13,918,058,351.82
  5. Step 5: Solve for x
    x = 13,918,058,351.82/118,252.20
  6. Step 6: Final answer
    x = 117,698.09

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1.5x scale

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.