Home / 215,654.08-297,605.60-125,016.64

Finding the Fourth Proportional to 215,654.08, 297,605.60 and 125,016.64

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Solution

The fourth proportional to 215,654.08, 297,605.60 and 125,016.64 is: 172,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,654.08 : 297,605.60 = 125,016.64 : x
  2. Step 2: Convert to fraction form
    215,654.08/297,605.60 = 125,016.64/x
  3. Step 3: Cross multiply
    215,654.08x = 297,605.60 × 125,016.64
  4. Step 4: Simplify right side
    215,654.08x = 37,205,652,157.18
  5. Step 5: Solve for x
    x = 37,205,652,157.18/215,654.08
  6. Step 6: Final answer
    x = 172,524.68

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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.