Home / 150,413.52-225,470.12-75,304.36

Finding the Fourth Proportional to 150,413.52, 225,470.12 and 75,304.36

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Solution

The fourth proportional to 150,413.52, 225,470.12 and 75,304.36 is: 112,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,413.52 : 225,470.12 = 75,304.36 : x
  2. Step 2: Convert to fraction form
    150,413.52/225,470.12 = 75,304.36/x
  3. Step 3: Cross multiply
    150,413.52x = 225,470.12 × 75,304.36
  4. Step 4: Simplify right side
    150,413.52x = 16,978,883,085.72
  5. Step 5: Solve for x
    x = 16,978,883,085.72/150,413.52
  6. Step 6: Final answer
    x = 112,881.36

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1.5x scale

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.