Home / 98,288.64-147,413.52-28,175.04

Finding the Fourth Proportional to 98,288.64, 147,413.52 and 28,175.04

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Solution

The fourth proportional to 98,288.64, 147,413.52 and 28,175.04 is: 42,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,288.64 : 147,413.52 = 28,175.04 : x
  2. Step 2: Convert to fraction form
    98,288.64/147,413.52 = 28,175.04/x
  3. Step 3: Cross multiply
    98,288.64x = 147,413.52 × 28,175.04
  4. Step 4: Simplify right side
    98,288.64x = 4,153,381,822.54
  5. Step 5: Solve for x
    x = 4,153,381,822.54/98,288.64
  6. Step 6: Final answer
    x = 42,256.99

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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.