Home / 220,631.18-330,633.89-92,409.32

Finding the Fourth Proportional to 220,631.18, 330,633.89 and 92,409.32

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Solution

The fourth proportional to 220,631.18, 330,633.89 and 92,409.32 is: 138,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,631.18 : 330,633.89 = 92,409.32 : x
  2. Step 2: Convert to fraction form
    220,631.18/330,633.89 = 92,409.32/x
  3. Step 3: Cross multiply
    220,631.18x = 330,633.89 × 92,409.32
  4. Step 4: Simplify right side
    220,631.18x = 30,553,653,654.93
  5. Step 5: Solve for x
    x = 30,553,653,654.93/220,631.18
  6. Step 6: Final answer
    x = 138,482.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.