Home / 146,946.80-220,452.60-47,111.60

Finding the Fourth Proportional to 146,946.80, 220,452.60 and 47,111.60

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Solution

The fourth proportional to 146,946.80, 220,452.60 and 47,111.60 is: 70,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,946.80 : 220,452.60 = 47,111.60 : x
  2. Step 2: Convert to fraction form
    146,946.80/220,452.60 = 47,111.60/x
  3. Step 3: Cross multiply
    146,946.80x = 220,452.60 × 47,111.60
  4. Step 4: Simplify right side
    146,946.80x = 10,385,874,710.16
  5. Step 5: Solve for x
    x = 10,385,874,710.16/146,946.80
  6. Step 6: Final answer
    x = 70,677.79

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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.