Home / 191,698.27-264,545.39-105,660.34

Finding the Fourth Proportional to 191,698.27, 264,545.39 and 105,660.34

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Solution

The fourth proportional to 191,698.27, 264,545.39 and 105,660.34 is: 145,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,698.27 : 264,545.39 = 105,660.34 : x
  2. Step 2: Convert to fraction form
    191,698.27/264,545.39 = 105,660.34/x
  3. Step 3: Cross multiply
    191,698.27x = 264,545.39 × 105,660.34
  4. Step 4: Simplify right side
    191,698.27x = 27,951,955,455.62
  5. Step 5: Solve for x
    x = 27,951,955,455.62/191,698.27
  6. Step 6: Final answer
    x = 145,812.25

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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.