Home / 196,801.64-271,582.86-111,916.76

Finding the Fourth Proportional to 196,801.64, 271,582.86 and 111,916.76

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Solution

The fourth proportional to 196,801.64, 271,582.86 and 111,916.76 is: 154,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,801.64 : 271,582.86 = 111,916.76 : x
  2. Step 2: Convert to fraction form
    196,801.64/271,582.86 = 111,916.76/x
  3. Step 3: Cross multiply
    196,801.64x = 271,582.86 × 111,916.76
  4. Step 4: Simplify right side
    196,801.64x = 30,394,673,762.73
  5. Step 5: Solve for x
    x = 30,394,673,762.73/196,801.64
  6. Step 6: Final answer
    x = 154,443.19

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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.