Home / 215,654.40-297,604.25-125,064.07

Finding the Fourth Proportional to 215,654.40, 297,604.25 and 125,064.07

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Solution

The fourth proportional to 215,654.40, 297,604.25 and 125,064.07 is: 172,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,654.40 : 297,604.25 = 125,064.07 : x
  2. Step 2: Convert to fraction form
    215,654.40/297,604.25 = 125,064.07/x
  3. Step 3: Cross multiply
    215,654.40x = 297,604.25 × 125,064.07
  4. Step 4: Simplify right side
    215,654.40x = 37,219,598,618.23
  5. Step 5: Solve for x
    x = 37,219,598,618.23/215,654.40
  6. Step 6: Final answer
    x = 172,589.10

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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.