Home / 191,712.20-264,558.68-111,154.04

Finding the Fourth Proportional to 191,712.20, 264,558.68 and 111,154.04

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Solution

The fourth proportional to 191,712.20, 264,558.68 and 111,154.04 is: 153,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,712.20 : 264,558.68 = 111,154.04 : x
  2. Step 2: Convert to fraction form
    191,712.20/264,558.68 = 111,154.04/x
  3. Step 3: Cross multiply
    191,712.20x = 264,558.68 × 111,154.04
  4. Step 4: Simplify right side
    191,712.20x = 29,406,766,099.07
  5. Step 5: Solve for x
    x = 29,406,766,099.07/191,712.20
  6. Step 6: Final answer
    x = 153,390.17

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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.