Home / 372,223.16-513,621.34-251,626.84

Finding the Fourth Proportional to 372,223.16, 513,621.34 and 251,626.84

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Solution

The fourth proportional to 372,223.16, 513,621.34 and 251,626.84 is: 347,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,223.16 : 513,621.34 = 251,626.84 : x
  2. Step 2: Convert to fraction form
    372,223.16/513,621.34 = 251,626.84/x
  3. Step 3: Cross multiply
    372,223.16x = 513,621.34 × 251,626.84
  4. Step 4: Simplify right side
    372,223.16x = 129,240,914,740.77
  5. Step 5: Solve for x
    x = 129,240,914,740.77/372,223.16
  6. Step 6: Final answer
    x = 347,213.52

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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.