Home / 191,784.97-264,665.05-105,747.04

Finding the Fourth Proportional to 191,784.97, 264,665.05 and 105,747.04

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Solution

The fourth proportional to 191,784.97, 264,665.05 and 105,747.04 is: 145,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,784.97 : 264,665.05 = 105,747.04 : x
  2. Step 2: Convert to fraction form
    191,784.97/264,665.05 = 105,747.04/x
  3. Step 3: Cross multiply
    191,784.97x = 264,665.05 × 105,747.04
  4. Step 4: Simplify right side
    191,784.97x = 27,987,545,695.42
  5. Step 5: Solve for x
    x = 27,987,545,695.42/191,784.97
  6. Step 6: Final answer
    x = 145,931.90

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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.