Home / 122,393.01-168,901.96-68,678.27

Finding the Fourth Proportional to 122,393.01, 168,901.96 and 68,678.27

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Solution

The fourth proportional to 122,393.01, 168,901.96 and 68,678.27 is: 94,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,393.01 : 168,901.96 = 68,678.27 : x
  2. Step 2: Convert to fraction form
    122,393.01/168,901.96 = 68,678.27/x
  3. Step 3: Cross multiply
    122,393.01x = 168,901.96 × 68,678.27
  4. Step 4: Simplify right side
    122,393.01x = 11,599,894,412.41
  5. Step 5: Solve for x
    x = 11,599,894,412.41/122,393.01
  6. Step 6: Final answer
    x = 94,775.79

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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.