Home / 191,049-286,179.63-111,923.34

Finding the Fourth Proportional to 191,049, 286,179.63 and 111,923.34

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Solution

The fourth proportional to 191,049, 286,179.63 and 111,923.34 is: 167,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,049 : 286,179.63 = 111,923.34 : x
  2. Step 2: Convert to fraction form
    191,049/286,179.63 = 111,923.34/x
  3. Step 3: Cross multiply
    191,049x = 286,179.63 × 111,923.34
  4. Step 4: Simplify right side
    191,049x = 32,030,179,469.95
  5. Step 5: Solve for x
    x = 32,030,179,469.95/191,049
  6. Step 6: Final answer
    x = 167,654.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.