Home / 251,984.04-347,737.90-138,809.16

Finding the Fourth Proportional to 251,984.04, 347,737.90 and 138,809.16

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Solution

The fourth proportional to 251,984.04, 347,737.90 and 138,809.16 is: 191,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,984.04 : 347,737.90 = 138,809.16 : x
  2. Step 2: Convert to fraction form
    251,984.04/347,737.90 = 138,809.16/x
  3. Step 3: Cross multiply
    251,984.04x = 347,737.90 × 138,809.16
  4. Step 4: Simplify right side
    251,984.04x = 48,269,205,799.16
  5. Step 5: Solve for x
    x = 48,269,205,799.16/251,984.04
  6. Step 6: Final answer
    x = 191,556.60

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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.