Home / 251,594.18-347,199.45-138,416.66

Finding the Fourth Proportional to 251,594.18, 347,199.45 and 138,416.66

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Solution

The fourth proportional to 251,594.18, 347,199.45 and 138,416.66 is: 191,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,594.18 : 347,199.45 = 138,416.66 : x
  2. Step 2: Convert to fraction form
    251,594.18/347,199.45 = 138,416.66/x
  3. Step 3: Cross multiply
    251,594.18x = 347,199.45 × 138,416.66
  4. Step 4: Simplify right side
    251,594.18x = 48,058,188,222.84
  5. Step 5: Solve for x
    x = 48,058,188,222.84/251,594.18
  6. Step 6: Final answer
    x = 191,014.71

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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.