Home / 158,181.37-218,283.29-86,564.41

Finding the Fourth Proportional to 158,181.37, 218,283.29 and 86,564.41

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Solution

The fourth proportional to 158,181.37, 218,283.29 and 86,564.41 is: 119,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,181.37 : 218,283.29 = 86,564.41 : x
  2. Step 2: Convert to fraction form
    158,181.37/218,283.29 = 86,564.41/x
  3. Step 3: Cross multiply
    158,181.37x = 218,283.29 × 86,564.41
  4. Step 4: Simplify right side
    158,181.37x = 18,895,563,557.80
  5. Step 5: Solve for x
    x = 18,895,563,557.80/158,181.37
  6. Step 6: Final answer
    x = 119,455.05

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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.