Home / 292,635.30-403,869.49-165,319.10

Finding the Fourth Proportional to 292,635.30, 403,869.49 and 165,319.10

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Solution

The fourth proportional to 292,635.30, 403,869.49 and 165,319.10 is: 228,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,635.30 : 403,869.49 = 165,319.10 : x
  2. Step 2: Convert to fraction form
    292,635.30/403,869.49 = 165,319.10/x
  3. Step 3: Cross multiply
    292,635.30x = 403,869.49 × 165,319.10
  4. Step 4: Simplify right side
    292,635.30x = 66,767,340,604.26
  5. Step 5: Solve for x
    x = 66,767,340,604.26/292,635.30
  6. Step 6: Final answer
    x = 228,158.87

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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.