Home / 154,554.26-231,451.23-75,413.30

Finding the Fourth Proportional to 154,554.26, 231,451.23 and 75,413.30

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Solution

The fourth proportional to 154,554.26, 231,451.23 and 75,413.30 is: 112,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,554.26 : 231,451.23 = 75,413.30 : x
  2. Step 2: Convert to fraction form
    154,554.26/231,451.23 = 75,413.30/x
  3. Step 3: Cross multiply
    154,554.26x = 231,451.23 × 75,413.30
  4. Step 4: Simplify right side
    154,554.26x = 17,454,501,043.36
  5. Step 5: Solve for x
    x = 17,454,501,043.36/154,554.26
  6. Step 6: Final answer
    x = 112,934.45

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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.