Home / 215,153.68-296,863.08-124,507.36

Finding the Fourth Proportional to 215,153.68, 296,863.08 and 124,507.36

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Solution

The fourth proportional to 215,153.68, 296,863.08 and 124,507.36 is: 171,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,153.68 : 296,863.08 = 124,507.36 : x
  2. Step 2: Convert to fraction form
    215,153.68/296,863.08 = 124,507.36/x
  3. Step 3: Cross multiply
    215,153.68x = 296,863.08 × 124,507.36
  4. Step 4: Simplify right side
    215,153.68x = 36,961,638,372.27
  5. Step 5: Solve for x
    x = 36,961,638,372.27/215,153.68
  6. Step 6: Final answer
    x = 171,791.80

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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.