Home / 161,277.37-222,568.50-88,685.77

Finding the Fourth Proportional to 161,277.37, 222,568.50 and 88,685.77

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Solution

The fourth proportional to 161,277.37, 222,568.50 and 88,685.77 is: 122,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,277.37 : 222,568.50 = 88,685.77 : x
  2. Step 2: Convert to fraction form
    161,277.37/222,568.50 = 88,685.77/x
  3. Step 3: Cross multiply
    161,277.37x = 222,568.50 × 88,685.77
  4. Step 4: Simplify right side
    161,277.37x = 19,738,658,800.25
  5. Step 5: Solve for x
    x = 19,738,658,800.25/161,277.37
  6. Step 6: Final answer
    x = 122,389.51

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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.