Home / 159,033.00-219,466.99-86,436.56

Finding the Fourth Proportional to 159,033.00, 219,466.99 and 86,436.56

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Solution

The fourth proportional to 159,033.00, 219,466.99 and 86,436.56 is: 119,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,033.00 : 219,466.99 = 86,436.56 : x
  2. Step 2: Convert to fraction form
    159,033.00/219,466.99 = 86,436.56/x
  3. Step 3: Cross multiply
    159,033.00x = 219,466.99 × 86,436.56
  4. Step 4: Simplify right side
    159,033.00x = 18,969,971,847.68
  5. Step 5: Solve for x
    x = 18,969,971,847.68/159,033.00
  6. Step 6: Final answer
    x = 119,283.24

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1.5x scale

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.