Home / 191,174.24-263,813.56-105,132.48

Finding the Fourth Proportional to 191,174.24, 263,813.56 and 105,132.48

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Solution

The fourth proportional to 191,174.24, 263,813.56 and 105,132.48 is: 145,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,174.24 : 263,813.56 = 105,132.48 : x
  2. Step 2: Convert to fraction form
    191,174.24/263,813.56 = 105,132.48/x
  3. Step 3: Cross multiply
    191,174.24x = 263,813.56 × 105,132.48
  4. Step 4: Simplify right side
    191,174.24x = 27,735,373,820.43
  5. Step 5: Solve for x
    x = 27,735,373,820.43/191,174.24
  6. Step 6: Final answer
    x = 145,079.03

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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.