Home / 146,904.04-220,321.98-71,949.40

Finding the Fourth Proportional to 146,904.04, 220,321.98 and 71,949.40

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Solution

The fourth proportional to 146,904.04, 220,321.98 and 71,949.40 is: 107,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,904.04 : 220,321.98 = 71,949.40 : x
  2. Step 2: Convert to fraction form
    146,904.04/220,321.98 = 71,949.40/x
  3. Step 3: Cross multiply
    146,904.04x = 220,321.98 × 71,949.40
  4. Step 4: Simplify right side
    146,904.04x = 15,852,034,267.81
  5. Step 5: Solve for x
    x = 15,852,034,267.81/146,904.04
  6. Step 6: Final answer
    x = 107,907.41

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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.