Home / 159,880.37-220,632.26-88,258.55

Finding the Fourth Proportional to 159,880.37, 220,632.26 and 88,258.55

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Solution

The fourth proportional to 159,880.37, 220,632.26 and 88,258.55 is: 121,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,880.37 : 220,632.26 = 88,258.55 : x
  2. Step 2: Convert to fraction form
    159,880.37/220,632.26 = 88,258.55/x
  3. Step 3: Cross multiply
    159,880.37x = 220,632.26 × 88,258.55
  4. Step 4: Simplify right side
    159,880.37x = 19,472,681,806.37
  5. Step 5: Solve for x
    x = 19,472,681,806.37/159,880.37
  6. Step 6: Final answer
    x = 121,795.33

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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.