Home / 122,240.04-168,698.34-68,542.60

Finding the Fourth Proportional to 122,240.04, 168,698.34 and 68,542.60

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Solution

The fourth proportional to 122,240.04, 168,698.34 and 68,542.60 is: 94,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,240.04 : 168,698.34 = 68,542.60 : x
  2. Step 2: Convert to fraction form
    122,240.04/168,698.34 = 68,542.60/x
  3. Step 3: Cross multiply
    122,240.04x = 168,698.34 × 68,542.60
  4. Step 4: Simplify right side
    122,240.04x = 11,563,022,839.28
  5. Step 5: Solve for x
    x = 11,563,022,839.28/122,240.04
  6. Step 6: Final answer
    x = 94,592.76

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1.5x scale

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.