Home / 215,132.55-296,877.73-117,013.27

Finding the Fourth Proportional to 215,132.55, 296,877.73 and 117,013.27

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Solution

The fourth proportional to 215,132.55, 296,877.73 and 117,013.27 is: 161,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,132.55 : 296,877.73 = 117,013.27 : x
  2. Step 2: Convert to fraction form
    215,132.55/296,877.73 = 117,013.27/x
  3. Step 3: Cross multiply
    215,132.55x = 296,877.73 × 117,013.27
  4. Step 4: Simplify right side
    215,132.55x = 34,738,633,977.48
  5. Step 5: Solve for x
    x = 34,738,633,977.48/215,132.55
  6. Step 6: Final answer
    x = 161,475.49

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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.