Home / 105,451.74-158,177.70-26,565.30

Finding the Fourth Proportional to 105,451.74, 158,177.70 and 26,565.30

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Solution

The fourth proportional to 105,451.74, 158,177.70 and 26,565.30 is: 39,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,451.74 : 158,177.70 = 26,565.30 : x
  2. Step 2: Convert to fraction form
    105,451.74/158,177.70 = 26,565.30/x
  3. Step 3: Cross multiply
    105,451.74x = 158,177.70 × 26,565.30
  4. Step 4: Simplify right side
    105,451.74x = 4,202,038,053.81
  5. Step 5: Solve for x
    x = 4,202,038,053.81/105,451.74
  6. Step 6: Final answer
    x = 39,847.97

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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.