Home / 154,413.10-231,619.65-144,045.10

Finding the Fourth Proportional to 154,413.10, 231,619.65 and 144,045.10

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Solution

The fourth proportional to 154,413.10, 231,619.65 and 144,045.10 is: 216,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,413.10 : 231,619.65 = 144,045.10 : x
  2. Step 2: Convert to fraction form
    154,413.10/231,619.65 = 144,045.10/x
  3. Step 3: Cross multiply
    154,413.10x = 231,619.65 × 144,045.10
  4. Step 4: Simplify right side
    154,413.10x = 33,363,675,646.22
  5. Step 5: Solve for x
    x = 33,363,675,646.22/154,413.10
  6. Step 6: Final answer
    x = 216,067.65

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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.