Home / 414,210.04-621,445.55-147,964.66

Finding the Fourth Proportional to 414,210.04, 621,445.55 and 147,964.66

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Solution

The fourth proportional to 414,210.04, 621,445.55 and 147,964.66 is: 221,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,210.04 : 621,445.55 = 147,964.66 : x
  2. Step 2: Convert to fraction form
    414,210.04/621,445.55 = 147,964.66/x
  3. Step 3: Cross multiply
    414,210.04x = 621,445.55 × 147,964.66
  4. Step 4: Simplify right side
    414,210.04x = 91,951,976,776.95
  5. Step 5: Solve for x
    x = 91,951,976,776.95/414,210.04
  6. Step 6: Final answer
    x = 221,993.60

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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.