Home / 115,397.22-159,241.69-64,413.24

Finding the Fourth Proportional to 115,397.22, 159,241.69 and 64,413.24

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Solution

The fourth proportional to 115,397.22, 159,241.69 and 64,413.24 is: 88,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,397.22 : 159,241.69 = 64,413.24 : x
  2. Step 2: Convert to fraction form
    115,397.22/159,241.69 = 64,413.24/x
  3. Step 3: Cross multiply
    115,397.22x = 159,241.69 × 64,413.24
  4. Step 4: Simplify right side
    115,397.22x = 10,257,273,195.98
  5. Step 5: Solve for x
    x = 10,257,273,195.98/115,397.22
  6. Step 6: Final answer
    x = 88,886.66

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1.5x scale

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.