Home / 158,965.84-238,651.10-103,039.97

Finding the Fourth Proportional to 158,965.84, 238,651.10 and 103,039.97

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Solution

The fourth proportional to 158,965.84, 238,651.10 and 103,039.97 is: 154,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,965.84 : 238,651.10 = 103,039.97 : x
  2. Step 2: Convert to fraction form
    158,965.84/238,651.10 = 103,039.97/x
  3. Step 3: Cross multiply
    158,965.84x = 238,651.10 × 103,039.97
  4. Step 4: Simplify right side
    158,965.84x = 24,590,602,731.13
  5. Step 5: Solve for x
    x = 24,590,602,731.13/158,965.84
  6. Step 6: Final answer
    x = 154,691.11

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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.