Home / 136,026.36-187,712.61-75,595.47

Finding the Fourth Proportional to 136,026.36, 187,712.61 and 75,595.47

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Solution

The fourth proportional to 136,026.36, 187,712.61 and 75,595.47 is: 104,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,026.36 : 187,712.61 = 75,595.47 : x
  2. Step 2: Convert to fraction form
    136,026.36/187,712.61 = 75,595.47/x
  3. Step 3: Cross multiply
    136,026.36x = 187,712.61 × 75,595.47
  4. Step 4: Simplify right side
    136,026.36x = 14,190,222,977.88
  5. Step 5: Solve for x
    x = 14,190,222,977.88/136,026.36
  6. Step 6: Final answer
    x = 104,319.66

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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.