Home / 292,600.20-438,912.45-92,914.95

Finding the Fourth Proportional to 292,600.20, 438,912.45 and 92,914.95

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Solution

The fourth proportional to 292,600.20, 438,912.45 and 92,914.95 is: 139,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,600.20 : 438,912.45 = 92,914.95 : x
  2. Step 2: Convert to fraction form
    292,600.20/438,912.45 = 92,914.95/x
  3. Step 3: Cross multiply
    292,600.20x = 438,912.45 × 92,914.95
  4. Step 4: Simplify right side
    292,600.20x = 40,781,528,346.13
  5. Step 5: Solve for x
    x = 40,781,528,346.13/292,600.20
  6. Step 6: Final answer
    x = 139,376.28

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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.