Home / 157,530.16-217,413.84-93,869.20

Finding the Fourth Proportional to 157,530.16, 217,413.84 and 93,869.20

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Solution

The fourth proportional to 157,530.16, 217,413.84 and 93,869.20 is: 129,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,530.16 : 217,413.84 = 93,869.20 : x
  2. Step 2: Convert to fraction form
    157,530.16/217,413.84 = 93,869.20/x
  3. Step 3: Cross multiply
    157,530.16x = 217,413.84 × 93,869.20
  4. Step 4: Simplify right side
    157,530.16x = 20,408,463,229.73
  5. Step 5: Solve for x
    x = 20,408,463,229.73/157,530.16
  6. Step 6: Final answer
    x = 129,552.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.