Home / 136,111.64-187,848.41-77,973.01

Finding the Fourth Proportional to 136,111.64, 187,848.41 and 77,973.01

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Solution

The fourth proportional to 136,111.64, 187,848.41 and 77,973.01 is: 107,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,111.64 : 187,848.41 = 77,973.01 : x
  2. Step 2: Convert to fraction form
    136,111.64/187,848.41 = 77,973.01/x
  3. Step 3: Cross multiply
    136,111.64x = 187,848.41 × 77,973.01
  4. Step 4: Simplify right side
    136,111.64x = 14,647,105,091.93
  5. Step 5: Solve for x
    x = 14,647,105,091.93/136,111.64
  6. Step 6: Final answer
    x = 107,610.97

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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.