Home / 158,950.36-238,486.68-70,141.12

Finding the Fourth Proportional to 158,950.36, 238,486.68 and 70,141.12

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Solution

The fourth proportional to 158,950.36, 238,486.68 and 70,141.12 is: 105,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,950.36 : 238,486.68 = 70,141.12 : x
  2. Step 2: Convert to fraction form
    158,950.36/238,486.68 = 70,141.12/x
  3. Step 3: Cross multiply
    158,950.36x = 238,486.68 × 70,141.12
  4. Step 4: Simplify right side
    158,950.36x = 16,727,722,840.28
  5. Step 5: Solve for x
    x = 16,727,722,840.28/158,950.36
  6. Step 6: Final answer
    x = 105,238.66

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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.