Home / 192,990.40-289,471.73-59,867.20

Finding the Fourth Proportional to 192,990.40, 289,471.73 and 59,867.20

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Solution

The fourth proportional to 192,990.40, 289,471.73 and 59,867.20 is: 89,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,990.40 : 289,471.73 = 59,867.20 : x
  2. Step 2: Convert to fraction form
    192,990.40/289,471.73 = 59,867.20/x
  3. Step 3: Cross multiply
    192,990.40x = 289,471.73 × 59,867.20
  4. Step 4: Simplify right side
    192,990.40x = 17,329,862,016.76
  5. Step 5: Solve for x
    x = 17,329,862,016.76/192,990.40
  6. Step 6: Final answer
    x = 89,796.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.