Home / 160,867.33-221,986.90-89,245.91

Finding the Fourth Proportional to 160,867.33, 221,986.90 and 89,245.91

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Solution

The fourth proportional to 160,867.33, 221,986.90 and 89,245.91 is: 123,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,867.33 : 221,986.90 = 89,245.91 : x
  2. Step 2: Convert to fraction form
    160,867.33/221,986.90 = 89,245.91/x
  3. Step 3: Cross multiply
    160,867.33x = 221,986.90 × 89,245.91
  4. Step 4: Simplify right side
    160,867.33x = 19,811,422,898.58
  5. Step 5: Solve for x
    x = 19,811,422,898.58/160,867.33
  6. Step 6: Final answer
    x = 123,153.80

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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.