Home / 391,104.12-586,935.96-166,621.80

Finding the Fourth Proportional to 391,104.12, 586,935.96 and 166,621.80

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Solution

The fourth proportional to 391,104.12, 586,935.96 and 166,621.80 is: 250,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,104.12 : 586,935.96 = 166,621.80 : x
  2. Step 2: Convert to fraction form
    391,104.12/586,935.96 = 166,621.80/x
  3. Step 3: Cross multiply
    391,104.12x = 586,935.96 × 166,621.80
  4. Step 4: Simplify right side
    391,104.12x = 97,796,326,139.93
  5. Step 5: Solve for x
    x = 97,796,326,139.93/391,104.12
  6. Step 6: Final answer
    x = 250,051.89

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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.