Home / 414,056.06-621,215.32-147,810.68

Finding the Fourth Proportional to 414,056.06, 621,215.32 and 147,810.68

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Solution

The fourth proportional to 414,056.06, 621,215.32 and 147,810.68 is: 221,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,056.06 : 621,215.32 = 147,810.68 : x
  2. Step 2: Convert to fraction form
    414,056.06/621,215.32 = 147,810.68/x
  3. Step 3: Cross multiply
    414,056.06x = 621,215.32 × 147,810.68
  4. Step 4: Simplify right side
    414,056.06x = 91,822,258,875.62
  5. Step 5: Solve for x
    x = 91,822,258,875.62/414,056.06
  6. Step 6: Final answer
    x = 221,762.87

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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.