Home / 225,456.57-311,117.66-123,462.23

Finding the Fourth Proportional to 225,456.57, 311,117.66 and 123,462.23

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Solution

The fourth proportional to 225,456.57, 311,117.66 and 123,462.23 is: 170,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,456.57 : 311,117.66 = 123,462.23 : x
  2. Step 2: Convert to fraction form
    225,456.57/311,117.66 = 123,462.23/x
  3. Step 3: Cross multiply
    225,456.57x = 311,117.66 × 123,462.23
  4. Step 4: Simplify right side
    225,456.57x = 38,411,280,095.98
  5. Step 5: Solve for x
    x = 38,411,280,095.98/225,456.57
  6. Step 6: Final answer
    x = 170,371.08

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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.