Home / 122,011.28-168,373.89-68,296.30

Finding the Fourth Proportional to 122,011.28, 168,373.89 and 68,296.30

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Solution

The fourth proportional to 122,011.28, 168,373.89 and 68,296.30 is: 94,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.28 : 168,373.89 = 68,296.30 : x
  2. Step 2: Convert to fraction form
    122,011.28/168,373.89 = 68,296.30/x
  3. Step 3: Cross multiply
    122,011.28x = 168,373.89 × 68,296.30
  4. Step 4: Simplify right side
    122,011.28x = 11,499,313,282.67
  5. Step 5: Solve for x
    x = 11,499,313,282.67/122,011.28
  6. Step 6: Final answer
    x = 94,247.95

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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.