Home / 159,860.37-220,591.58-88,235.76

Finding the Fourth Proportional to 159,860.37, 220,591.58 and 88,235.76

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Solution

The fourth proportional to 159,860.37, 220,591.58 and 88,235.76 is: 121,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.37 : 220,591.58 = 88,235.76 : x
  2. Step 2: Convert to fraction form
    159,860.37/220,591.58 = 88,235.76/x
  3. Step 3: Cross multiply
    159,860.37x = 220,591.58 × 88,235.76
  4. Step 4: Simplify right side
    159,860.37x = 19,464,065,269.72
  5. Step 5: Solve for x
    x = 19,464,065,269.72/159,860.37
  6. Step 6: Final answer
    x = 121,756.66

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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.