Home / 123,621.96-170,511.24-119,506.92

Finding the Fourth Proportional to 123,621.96, 170,511.24 and 119,506.92

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Solution

The fourth proportional to 123,621.96, 170,511.24 and 119,506.92 is: 164,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,621.96 : 170,511.24 = 119,506.92 : x
  2. Step 2: Convert to fraction form
    123,621.96/170,511.24 = 119,506.92/x
  3. Step 3: Cross multiply
    123,621.96x = 170,511.24 × 119,506.92
  4. Step 4: Simplify right side
    123,621.96x = 20,377,273,117.78
  5. Step 5: Solve for x
    x = 20,377,273,117.78/123,621.96
  6. Step 6: Final answer
    x = 164,835.38

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1.5x scale

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.