Home / 292,398.28-403,501.62-165,085.72

Finding the Fourth Proportional to 292,398.28, 403,501.62 and 165,085.72

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Solution

The fourth proportional to 292,398.28, 403,501.62 and 165,085.72 is: 227,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,398.28 : 403,501.62 = 165,085.72 : x
  2. Step 2: Convert to fraction form
    292,398.28/403,501.62 = 165,085.72/x
  3. Step 3: Cross multiply
    292,398.28x = 403,501.62 × 165,085.72
  4. Step 4: Simplify right side
    292,398.28x = 66,612,355,458.87
  5. Step 5: Solve for x
    x = 66,612,355,458.87/292,398.28
  6. Step 6: Final answer
    x = 227,813.77

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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.