Home / 158,639.51-238,170.45-92,127.38

Finding the Fourth Proportional to 158,639.51, 238,170.45 and 92,127.38

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Solution

The fourth proportional to 158,639.51, 238,170.45 and 92,127.38 is: 138,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,639.51 : 238,170.45 = 92,127.38 : x
  2. Step 2: Convert to fraction form
    158,639.51/238,170.45 = 92,127.38/x
  3. Step 3: Cross multiply
    158,639.51x = 238,170.45 × 92,127.38
  4. Step 4: Simplify right side
    158,639.51x = 21,942,018,447.44
  5. Step 5: Solve for x
    x = 21,942,018,447.44/158,639.51
  6. Step 6: Final answer
    x = 138,313.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.