Home / 102,413.57-153,384.33-98,867.44

Finding the Fourth Proportional to 102,413.57, 153,384.33 and 98,867.44

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Solution

The fourth proportional to 102,413.57, 153,384.33 and 98,867.44 is: 148,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,413.57 : 153,384.33 = 98,867.44 : x
  2. Step 2: Convert to fraction form
    102,413.57/153,384.33 = 98,867.44/x
  3. Step 3: Cross multiply
    102,413.57x = 153,384.33 × 98,867.44
  4. Step 4: Simplify right side
    102,413.57x = 15,164,715,742.91
  5. Step 5: Solve for x
    x = 15,164,715,742.91/102,413.57
  6. Step 6: Final answer
    x = 148,073.31

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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.