Home / 219,721.08-303,227.10-124,236.12

Finding the Fourth Proportional to 219,721.08, 303,227.10 and 124,236.12

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Solution

The fourth proportional to 219,721.08, 303,227.10 and 124,236.12 is: 171,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,721.08 : 303,227.10 = 124,236.12 : x
  2. Step 2: Convert to fraction form
    219,721.08/303,227.10 = 124,236.12/x
  3. Step 3: Cross multiply
    219,721.08x = 303,227.10 × 124,236.12
  4. Step 4: Simplify right side
    219,721.08x = 37,671,758,382.85
  5. Step 5: Solve for x
    x = 37,671,758,382.85/219,721.08
  6. Step 6: Final answer
    x = 171,452.64

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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.