Home / 158,986.17-219,413.16-91,024.56

Finding the Fourth Proportional to 158,986.17, 219,413.16 and 91,024.56

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Solution

The fourth proportional to 158,986.17, 219,413.16 and 91,024.56 is: 125,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,986.17 : 219,413.16 = 91,024.56 : x
  2. Step 2: Convert to fraction form
    158,986.17/219,413.16 = 91,024.56/x
  3. Step 3: Cross multiply
    158,986.17x = 219,413.16 × 91,024.56
  4. Step 4: Simplify right side
    158,986.17x = 19,971,986,347.21
  5. Step 5: Solve for x
    x = 19,971,986,347.21/158,986.17
  6. Step 6: Final answer
    x = 125,620.90

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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.