Home / 292,623.36-403,806.15-165,317.28

Finding the Fourth Proportional to 292,623.36, 403,806.15 and 165,317.28

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Solution

The fourth proportional to 292,623.36, 403,806.15 and 165,317.28 is: 228,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,623.36 : 403,806.15 = 165,317.28 : x
  2. Step 2: Convert to fraction form
    292,623.36/403,806.15 = 165,317.28/x
  3. Step 3: Cross multiply
    292,623.36x = 403,806.15 × 165,317.28
  4. Step 4: Simplify right side
    292,623.36x = 66,756,134,365.27
  5. Step 5: Solve for x
    x = 66,756,134,365.27/292,623.36
  6. Step 6: Final answer
    x = 228,129.89

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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.