Home / 218,296.96-301,249.36-122,803.73

Finding the Fourth Proportional to 218,296.96, 301,249.36 and 122,803.73

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Solution

The fourth proportional to 218,296.96, 301,249.36 and 122,803.73 is: 169,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,296.96 : 301,249.36 = 122,803.73 : x
  2. Step 2: Convert to fraction form
    218,296.96/301,249.36 = 122,803.73/x
  3. Step 3: Cross multiply
    218,296.96x = 301,249.36 × 122,803.73
  4. Step 4: Simplify right side
    218,296.96x = 36,994,545,068.11
  5. Step 5: Solve for x
    x = 36,994,545,068.11/218,296.96
  6. Step 6: Final answer
    x = 169,468.90

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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.