Home / 219,685.57-303,179.16-124,201.15

Finding the Fourth Proportional to 219,685.57, 303,179.16 and 124,201.15

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Solution

The fourth proportional to 219,685.57, 303,179.16 and 124,201.15 is: 171,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,685.57 : 303,179.16 = 124,201.15 : x
  2. Step 2: Convert to fraction form
    219,685.57/303,179.16 = 124,201.15/x
  3. Step 3: Cross multiply
    219,685.57x = 303,179.16 × 124,201.15
  4. Step 4: Simplify right side
    219,685.57x = 37,655,200,328.03
  5. Step 5: Solve for x
    x = 37,655,200,328.03/219,685.57
  6. Step 6: Final answer
    x = 171,404.98

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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.