Home / 158,970.36-238,371.57-70,181.94

Finding the Fourth Proportional to 158,970.36, 238,371.57 and 70,181.94

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Solution

The fourth proportional to 158,970.36, 238,371.57 and 70,181.94 is: 105,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,970.36 : 238,371.57 = 70,181.94 : x
  2. Step 2: Convert to fraction form
    158,970.36/238,371.57 = 70,181.94/x
  3. Step 3: Cross multiply
    158,970.36x = 238,371.57 × 70,181.94
  4. Step 4: Simplify right side
    158,970.36x = 16,729,379,223.45
  5. Step 5: Solve for x
    x = 16,729,379,223.45/158,970.36
  6. Step 6: Final answer
    x = 105,235.84

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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.