Home / 215,934.95-297,989.40-119,144.83

Finding the Fourth Proportional to 215,934.95, 297,989.40 and 119,144.83

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Solution

The fourth proportional to 215,934.95, 297,989.40 and 119,144.83 is: 164,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,934.95 : 297,989.40 = 119,144.83 : x
  2. Step 2: Convert to fraction form
    215,934.95/297,989.40 = 119,144.83/x
  3. Step 3: Cross multiply
    215,934.95x = 297,989.40 × 119,144.83
  4. Step 4: Simplify right side
    215,934.95x = 35,503,896,404.80
  5. Step 5: Solve for x
    x = 35,503,896,404.80/215,934.95
  6. Step 6: Final answer
    x = 164,419.41

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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.