Home / 292,753.86-403,995.08-165,426.72

Finding the Fourth Proportional to 292,753.86, 403,995.08 and 165,426.72

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Solution

The fourth proportional to 292,753.86, 403,995.08 and 165,426.72 is: 228,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,753.86 : 403,995.08 = 165,426.72 : x
  2. Step 2: Convert to fraction form
    292,753.86/403,995.08 = 165,426.72/x
  3. Step 3: Cross multiply
    292,753.86x = 403,995.08 × 165,426.72
  4. Step 4: Simplify right side
    292,753.86x = 66,831,580,980.54
  5. Step 5: Solve for x
    x = 66,831,580,980.54/292,753.86
  6. Step 6: Final answer
    x = 228,285.91

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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.