Home / 414,056.56-621,216.07-147,811.18

Finding the Fourth Proportional to 414,056.56, 621,216.07 and 147,811.18

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Solution

The fourth proportional to 414,056.56, 621,216.07 and 147,811.18 is: 221,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,056.56 : 621,216.07 = 147,811.18 : x
  2. Step 2: Convert to fraction form
    414,056.56/621,216.07 = 147,811.18/x
  3. Step 3: Cross multiply
    414,056.56x = 621,216.07 × 147,811.18
  4. Step 4: Simplify right side
    414,056.56x = 91,822,680,341.66
  5. Step 5: Solve for x
    x = 91,822,680,341.66/414,056.56
  6. Step 6: Final answer
    x = 221,763.62

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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.