Home / 105,516.72-158,269.41-26,631.63

Finding the Fourth Proportional to 105,516.72, 158,269.41 and 26,631.63

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Solution

The fourth proportional to 105,516.72, 158,269.41 and 26,631.63 is: 39,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,516.72 : 158,269.41 = 26,631.63 : x
  2. Step 2: Convert to fraction form
    105,516.72/158,269.41 = 26,631.63/x
  3. Step 3: Cross multiply
    105,516.72x = 158,269.41 × 26,631.63
  4. Step 4: Simplify right side
    105,516.72x = 4,214,972,367.44
  5. Step 5: Solve for x
    x = 4,214,972,367.44/105,516.72
  6. Step 6: Final answer
    x = 39,946.01

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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.