Home / 136,760.72-188,581.01-88,925.36

Finding the Fourth Proportional to 136,760.72, 188,581.01 and 88,925.36

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Solution

The fourth proportional to 136,760.72, 188,581.01 and 88,925.36 is: 122,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,760.72 : 188,581.01 = 88,925.36 : x
  2. Step 2: Convert to fraction form
    136,760.72/188,581.01 = 88,925.36/x
  3. Step 3: Cross multiply
    136,760.72x = 188,581.01 × 88,925.36
  4. Step 4: Simplify right side
    136,760.72x = 16,769,634,897.18
  5. Step 5: Solve for x
    x = 16,769,634,897.18/136,760.72
  6. Step 6: Final answer
    x = 122,620.26

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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.