Home / 158,386.00-218,578.12-86,766

Finding the Fourth Proportional to 158,386.00, 218,578.12 and 86,766

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Solution

The fourth proportional to 158,386.00, 218,578.12 and 86,766 is: 119,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,386.00 : 218,578.12 = 86,766 : x
  2. Step 2: Convert to fraction form
    158,386.00/218,578.12 = 86,766/x
  3. Step 3: Cross multiply
    158,386.00x = 218,578.12 × 86,766
  4. Step 4: Simplify right side
    158,386.00x = 18,965,148,943.01
  5. Step 5: Solve for x
    x = 18,965,148,943.01/158,386.00
  6. Step 6: Final answer
    x = 119,740.06

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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.