Home / 251,615.29-347,232.52-136,895.30

Finding the Fourth Proportional to 251,615.29, 347,232.52 and 136,895.30

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Solution

The fourth proportional to 251,615.29, 347,232.52 and 136,895.30 is: 188,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,615.29 : 347,232.52 = 136,895.30 : x
  2. Step 2: Convert to fraction form
    251,615.29/347,232.52 = 136,895.30/x
  3. Step 3: Cross multiply
    251,615.29x = 347,232.52 × 136,895.30
  4. Step 4: Simplify right side
    251,615.29x = 47,534,501,468.40
  5. Step 5: Solve for x
    x = 47,534,501,468.40/251,615.29
  6. Step 6: Final answer
    x = 188,917.38

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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.