Home / 196,776.54-271,572.48-120,340.32

Finding the Fourth Proportional to 196,776.54, 271,572.48 and 120,340.32

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Solution

The fourth proportional to 196,776.54, 271,572.48 and 120,340.32 is: 166,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,776.54 : 271,572.48 = 120,340.32 : x
  2. Step 2: Convert to fraction form
    196,776.54/271,572.48 = 120,340.32/x
  3. Step 3: Cross multiply
    196,776.54x = 271,572.48 × 120,340.32
  4. Step 4: Simplify right side
    196,776.54x = 32,681,119,146.39
  5. Step 5: Solve for x
    x = 32,681,119,146.39/196,776.54
  6. Step 6: Final answer
    x = 166,082.40

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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.