Home / 196,533.81-271,217.57-111,655.53

Finding the Fourth Proportional to 196,533.81, 271,217.57 and 111,655.53

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Solution

The fourth proportional to 196,533.81, 271,217.57 and 111,655.53 is: 154,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,533.81 : 271,217.57 = 111,655.53 : x
  2. Step 2: Convert to fraction form
    196,533.81/271,217.57 = 111,655.53/x
  3. Step 3: Cross multiply
    196,533.81x = 271,217.57 × 111,655.53
  4. Step 4: Simplify right side
    196,533.81x = 30,282,940,965.38
  5. Step 5: Solve for x
    x = 30,282,940,965.38/196,533.81
  6. Step 6: Final answer
    x = 154,085.15

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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.