Home / 215,353.68-297,197.82-124,713.60

Finding the Fourth Proportional to 215,353.68, 297,197.82 and 124,713.60

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Solution

The fourth proportional to 215,353.68, 297,197.82 and 124,713.60 is: 172,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,353.68 : 297,197.82 = 124,713.60 : x
  2. Step 2: Convert to fraction form
    215,353.68/297,197.82 = 124,713.60/x
  3. Step 3: Cross multiply
    215,353.68x = 297,197.82 × 124,713.60
  4. Step 4: Simplify right side
    215,353.68x = 37,064,610,044.35
  5. Step 5: Solve for x
    x = 37,064,610,044.35/215,353.68
  6. Step 6: Final answer
    x = 172,110.41

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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.