Home / 212,413.39-293,132.86-115,617.85

Finding the Fourth Proportional to 212,413.39, 293,132.86 and 115,617.85

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Solution

The fourth proportional to 212,413.39, 293,132.86 and 115,617.85 is: 159,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,413.39 : 293,132.86 = 115,617.85 : x
  2. Step 2: Convert to fraction form
    212,413.39/293,132.86 = 115,617.85/x
  3. Step 3: Cross multiply
    212,413.39x = 293,132.86 × 115,617.85
  4. Step 4: Simplify right side
    212,413.39x = 33,891,390,015.67
  5. Step 5: Solve for x
    x = 33,891,390,015.67/212,413.39
  6. Step 6: Final answer
    x = 159,553.93

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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.