Home / 251,695.36-347,346.48-138,525.04

Finding the Fourth Proportional to 251,695.36, 347,346.48 and 138,525.04

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Solution

The fourth proportional to 251,695.36, 347,346.48 and 138,525.04 is: 191,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,695.36 : 347,346.48 = 138,525.04 : x
  2. Step 2: Convert to fraction form
    251,695.36/347,346.48 = 138,525.04/x
  3. Step 3: Cross multiply
    251,695.36x = 347,346.48 × 138,525.04
  4. Step 4: Simplify right side
    251,695.36x = 48,116,185,035.86
  5. Step 5: Solve for x
    x = 48,116,185,035.86/251,695.36
  6. Step 6: Final answer
    x = 191,168.34

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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.