Home / 136,760.36-188,637.12-118,824.53

Finding the Fourth Proportional to 136,760.36, 188,637.12 and 118,824.53

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Solution

The fourth proportional to 136,760.36, 188,637.12 and 118,824.53 is: 163,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,760.36 : 188,637.12 = 118,824.53 : x
  2. Step 2: Convert to fraction form
    136,760.36/188,637.12 = 118,824.53/x
  3. Step 3: Cross multiply
    136,760.36x = 188,637.12 × 118,824.53
  4. Step 4: Simplify right side
    136,760.36x = 22,414,716,181.37
  5. Step 5: Solve for x
    x = 22,414,716,181.37/136,760.36
  6. Step 6: Final answer
    x = 163,897.76

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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.