Home / 146,921.68-220,382.52-96,990.07

Finding the Fourth Proportional to 146,921.68, 220,382.52 and 96,990.07

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Solution

The fourth proportional to 146,921.68, 220,382.52 and 96,990.07 is: 145,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,921.68 : 220,382.52 = 96,990.07 : x
  2. Step 2: Convert to fraction form
    146,921.68/220,382.52 = 96,990.07/x
  3. Step 3: Cross multiply
    146,921.68x = 220,382.52 × 96,990.07
  4. Step 4: Simplify right side
    146,921.68x = 21,374,916,041.58
  5. Step 5: Solve for x
    x = 21,374,916,041.58/146,921.68
  6. Step 6: Final answer
    x = 145,485.11

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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.