Home / 105,633.36-158,450.40-26,747.55

Finding the Fourth Proportional to 105,633.36, 158,450.40 and 26,747.55

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Solution

The fourth proportional to 105,633.36, 158,450.40 and 26,747.55 is: 40,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,633.36 : 158,450.40 = 26,747.55 : x
  2. Step 2: Convert to fraction form
    105,633.36/158,450.40 = 26,747.55/x
  3. Step 3: Cross multiply
    105,633.36x = 158,450.40 × 26,747.55
  4. Step 4: Simplify right side
    105,633.36x = 4,238,159,996.52
  5. Step 5: Solve for x
    x = 4,238,159,996.52/105,633.36
  6. Step 6: Final answer
    x = 40,121.42

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1.5x scale

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.