Home / 397,640.18-596,275.95-148,255.22

Finding the Fourth Proportional to 397,640.18, 596,275.95 and 148,255.22

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Solution

The fourth proportional to 397,640.18, 596,275.95 and 148,255.22 is: 222,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,640.18 : 596,275.95 = 148,255.22 : x
  2. Step 2: Convert to fraction form
    397,640.18/596,275.95 = 148,255.22/x
  3. Step 3: Cross multiply
    397,640.18x = 596,275.95 × 148,255.22
  4. Step 4: Simplify right side
    397,640.18x = 88,401,022,147.96
  5. Step 5: Solve for x
    x = 88,401,022,147.96/397,640.18
  6. Step 6: Final answer
    x = 222,314.11

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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.