Home / 122,039.52-168,406.56-68,324.04

Finding the Fourth Proportional to 122,039.52, 168,406.56 and 68,324.04

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Solution

The fourth proportional to 122,039.52, 168,406.56 and 68,324.04 is: 94,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,039.52 : 168,406.56 = 68,324.04 : x
  2. Step 2: Convert to fraction form
    122,039.52/168,406.56 = 68,324.04/x
  3. Step 3: Cross multiply
    122,039.52x = 168,406.56 × 68,324.04
  4. Step 4: Simplify right side
    122,039.52x = 11,506,216,541.70
  5. Step 5: Solve for x
    x = 11,506,216,541.70/122,039.52
  6. Step 6: Final answer
    x = 94,282.71

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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.