Home / 160,856.71-221,982.52-89,236.73

Finding the Fourth Proportional to 160,856.71, 221,982.52 and 89,236.73

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Solution

The fourth proportional to 160,856.71, 221,982.52 and 89,236.73 is: 123,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,856.71 : 221,982.52 = 89,236.73 : x
  2. Step 2: Convert to fraction form
    160,856.71/221,982.52 = 89,236.73/x
  3. Step 3: Cross multiply
    160,856.71x = 221,982.52 × 89,236.73
  4. Step 4: Simplify right side
    160,856.71x = 19,808,994,980.01
  5. Step 5: Solve for x
    x = 19,808,994,980.01/160,856.71
  6. Step 6: Final answer
    x = 123,146.84

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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.