Home / 160,788.57-221,873.58-89,168.37

Finding the Fourth Proportional to 160,788.57, 221,873.58 and 89,168.37

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Solution

The fourth proportional to 160,788.57, 221,873.58 and 89,168.37 is: 123,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,788.57 : 221,873.58 = 89,168.37 : x
  2. Step 2: Convert to fraction form
    160,788.57/221,873.58 = 89,168.37/x
  3. Step 3: Cross multiply
    160,788.57x = 221,873.58 × 89,168.37
  4. Step 4: Simplify right side
    160,788.57x = 19,784,105,474.66
  5. Step 5: Solve for x
    x = 19,784,105,474.66/160,788.57
  6. Step 6: Final answer
    x = 123,044.23

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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.