Home / 191,928.12-264,775.18-111,308.92

Finding the Fourth Proportional to 191,928.12, 264,775.18 and 111,308.92

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Solution

The fourth proportional to 191,928.12, 264,775.18 and 111,308.92 is: 153,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.12 : 264,775.18 = 111,308.92 : x
  2. Step 2: Convert to fraction form
    191,928.12/264,775.18 = 111,308.92/x
  3. Step 3: Cross multiply
    191,928.12x = 264,775.18 × 111,308.92
  4. Step 4: Simplify right side
    191,928.12x = 29,471,839,328.61
  5. Step 5: Solve for x
    x = 29,471,839,328.61/191,928.12
  6. Step 6: Final answer
    x = 153,556.65

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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.