Home / 414,552.80-621,829.20-134,098.40

Finding the Fourth Proportional to 414,552.80, 621,829.20 and 134,098.40

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Solution

The fourth proportional to 414,552.80, 621,829.20 and 134,098.40 is: 201,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,552.80 : 621,829.20 = 134,098.40 : x
  2. Step 2: Convert to fraction form
    414,552.80/621,829.20 = 134,098.40/x
  3. Step 3: Cross multiply
    414,552.80x = 621,829.20 × 134,098.40
  4. Step 4: Simplify right side
    414,552.80x = 83,386,300,793.28
  5. Step 5: Solve for x
    x = 83,386,300,793.28/414,552.80
  6. Step 6: Final answer
    x = 201,147.60

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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.