Home / 146,834.64-220,222.80-71,922.60

Finding the Fourth Proportional to 146,834.64, 220,222.80 and 71,922.60

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Solution

The fourth proportional to 146,834.64, 220,222.80 and 71,922.60 is: 107,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,834.64 : 220,222.80 = 71,922.60 : x
  2. Step 2: Convert to fraction form
    146,834.64/220,222.80 = 71,922.60/x
  3. Step 3: Cross multiply
    146,834.64x = 220,222.80 × 71,922.60
  4. Step 4: Simplify right side
    146,834.64x = 15,838,996,355.28
  5. Step 5: Solve for x
    x = 15,838,996,355.28/146,834.64
  6. Step 6: Final answer
    x = 107,869.62

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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.