Home / 414,637.71-621,562.50-162,080.12

Finding the Fourth Proportional to 414,637.71, 621,562.50 and 162,080.12

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Solution

The fourth proportional to 414,637.71, 621,562.50 and 162,080.12 is: 242,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,637.71 : 621,562.50 = 162,080.12 : x
  2. Step 2: Convert to fraction form
    414,637.71/621,562.50 = 162,080.12/x
  3. Step 3: Cross multiply
    414,637.71x = 621,562.50 × 162,080.12
  4. Step 4: Simplify right side
    414,637.71x = 100,742,921,479.69
  5. Step 5: Solve for x
    x = 100,742,921,479.69/414,637.71
  6. Step 6: Final answer
    x = 242,966.13

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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.