Home / 292,035.19-438,049.86-92,355.61

Finding the Fourth Proportional to 292,035.19, 438,049.86 and 92,355.61

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Solution

The fourth proportional to 292,035.19, 438,049.86 and 92,355.61 is: 138,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,035.19 : 438,049.86 = 92,355.61 : x
  2. Step 2: Convert to fraction form
    292,035.19/438,049.86 = 92,355.61/x
  3. Step 3: Cross multiply
    292,035.19x = 438,049.86 × 92,355.61
  4. Step 4: Simplify right side
    292,035.19x = 40,456,362,189.85
  5. Step 5: Solve for x
    x = 40,456,362,189.85/292,035.19
  6. Step 6: Final answer
    x = 138,532.49

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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.