Home / 196,917.76-271,742.72-107,494.40

Finding the Fourth Proportional to 196,917.76, 271,742.72 and 107,494.40

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Solution

The fourth proportional to 196,917.76, 271,742.72 and 107,494.40 is: 148,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,917.76 : 271,742.72 = 107,494.40 : x
  2. Step 2: Convert to fraction form
    196,917.76/271,742.72 = 107,494.40/x
  3. Step 3: Cross multiply
    196,917.76x = 271,742.72 × 107,494.40
  4. Step 4: Simplify right side
    196,917.76x = 29,210,820,640.77
  5. Step 5: Solve for x
    x = 29,210,820,640.77/196,917.76
  6. Step 6: Final answer
    x = 148,340.20

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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.