Home / 105,435.27-158,152.91-26,555.65

Finding the Fourth Proportional to 105,435.27, 158,152.91 and 26,555.65

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Solution

The fourth proportional to 105,435.27, 158,152.91 and 26,555.65 is: 39,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,435.27 : 158,152.91 = 26,555.65 : x
  2. Step 2: Convert to fraction form
    105,435.27/158,152.91 = 26,555.65/x
  3. Step 3: Cross multiply
    105,435.27x = 158,152.91 × 26,555.65
  4. Step 4: Simplify right side
    105,435.27x = 4,199,852,796.28
  5. Step 5: Solve for x
    x = 4,199,852,796.28/105,435.27
  6. Step 6: Final answer
    x = 39,833.47

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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.