Home / 112,164.72-154,992.60-106,697.76

Finding the Fourth Proportional to 112,164.72, 154,992.60 and 106,697.76

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Solution

The fourth proportional to 112,164.72, 154,992.60 and 106,697.76 is: 147,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164.72 : 154,992.60 = 106,697.76 : x
  2. Step 2: Convert to fraction form
    112,164.72/154,992.60 = 106,697.76/x
  3. Step 3: Cross multiply
    112,164.72x = 154,992.60 × 106,697.76
  4. Step 4: Simplify right side
    112,164.72x = 16,537,363,236.58
  5. Step 5: Solve for x
    x = 16,537,363,236.58/112,164.72
  6. Step 6: Final answer
    x = 147,438.19

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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.