Home / 112,922.21-155,441.45-97,601.74

Finding the Fourth Proportional to 112,922.21, 155,441.45 and 97,601.74

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Solution

The fourth proportional to 112,922.21, 155,441.45 and 97,601.74 is: 134,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.21 : 155,441.45 = 97,601.74 : x
  2. Step 2: Convert to fraction form
    112,922.21/155,441.45 = 97,601.74/x
  3. Step 3: Cross multiply
    112,922.21x = 155,441.45 × 97,601.74
  4. Step 4: Simplify right side
    112,922.21x = 15,171,355,843.52
  5. Step 5: Solve for x
    x = 15,171,355,843.52/112,922.21
  6. Step 6: Final answer
    x = 134,352.27

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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.