Home / 292,003.27-438,002.32-92,323.79

Finding the Fourth Proportional to 292,003.27, 438,002.32 and 92,323.79

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Solution

The fourth proportional to 292,003.27, 438,002.32 and 92,323.79 is: 138,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,003.27 : 438,002.32 = 92,323.79 : x
  2. Step 2: Convert to fraction form
    292,003.27/438,002.32 = 92,323.79/x
  3. Step 3: Cross multiply
    292,003.27x = 438,002.32 × 92,323.79
  4. Step 4: Simplify right side
    292,003.27x = 40,438,034,211.19
  5. Step 5: Solve for x
    x = 40,438,034,211.19/292,003.27
  6. Step 6: Final answer
    x = 138,484.87

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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.