Home / 403,257.40-604,886.10-166,769.80

Finding the Fourth Proportional to 403,257.40, 604,886.10 and 166,769.80

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Solution

The fourth proportional to 403,257.40, 604,886.10 and 166,769.80 is: 250,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,257.40 : 604,886.10 = 166,769.80 : x
  2. Step 2: Convert to fraction form
    403,257.40/604,886.10 = 166,769.80/x
  3. Step 3: Cross multiply
    403,257.40x = 604,886.10 × 166,769.80
  4. Step 4: Simplify right side
    403,257.40x = 100,876,733,919.78
  5. Step 5: Solve for x
    x = 100,876,733,919.78/403,257.40
  6. Step 6: Final answer
    x = 250,154.70

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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.