Home / 146,939-202,797.99-89,611.58

Finding the Fourth Proportional to 146,939, 202,797.99 and 89,611.58

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Solution

The fourth proportional to 146,939, 202,797.99 and 89,611.58 is: 123,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,939 : 202,797.99 = 89,611.58 : x
  2. Step 2: Convert to fraction form
    146,939/202,797.99 = 89,611.58/x
  3. Step 3: Cross multiply
    146,939x = 202,797.99 × 89,611.58
  4. Step 4: Simplify right side
    146,939x = 18,173,047,856.67
  5. Step 5: Solve for x
    x = 18,173,047,856.67/146,939
  6. Step 6: Final answer
    x = 123,677.50

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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.