Home / 122,301.13-168,697.89-88,359.49

Finding the Fourth Proportional to 122,301.13, 168,697.89 and 88,359.49

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Solution

The fourth proportional to 122,301.13, 168,697.89 and 88,359.49 is: 121,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,301.13 : 168,697.89 = 88,359.49 : x
  2. Step 2: Convert to fraction form
    122,301.13/168,697.89 = 88,359.49/x
  3. Step 3: Cross multiply
    122,301.13x = 168,697.89 × 88,359.49
  4. Step 4: Simplify right side
    122,301.13x = 14,906,059,524.48
  5. Step 5: Solve for x
    x = 14,906,059,524.48/122,301.13
  6. Step 6: Final answer
    x = 121,879.98

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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.