Home / 160,875.54-221,998.59-89,251.29

Finding the Fourth Proportional to 160,875.54, 221,998.59 and 89,251.29

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Solution

The fourth proportional to 160,875.54, 221,998.59 and 89,251.29 is: 123,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,875.54 : 221,998.59 = 89,251.29 : x
  2. Step 2: Convert to fraction form
    160,875.54/221,998.59 = 89,251.29/x
  3. Step 3: Cross multiply
    160,875.54x = 221,998.59 × 89,251.29
  4. Step 4: Simplify right side
    160,875.54x = 19,813,660,535.68
  5. Step 5: Solve for x
    x = 19,813,660,535.68/160,875.54
  6. Step 6: Final answer
    x = 123,161.42

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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.