Home / 414,539.52-621,743.28-148,250.40

Finding the Fourth Proportional to 414,539.52, 621,743.28 and 148,250.40

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Solution

The fourth proportional to 414,539.52, 621,743.28 and 148,250.40 is: 222,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,539.52 : 621,743.28 = 148,250.40 : x
  2. Step 2: Convert to fraction form
    414,539.52/621,743.28 = 148,250.40/x
  3. Step 3: Cross multiply
    414,539.52x = 621,743.28 × 148,250.40
  4. Step 4: Simplify right side
    414,539.52x = 92,173,689,957.31
  5. Step 5: Solve for x
    x = 92,173,689,957.31/414,539.52
  6. Step 6: Final answer
    x = 222,352.00

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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.