Home / 215,647.72-297,595.08-125,057.47

Finding the Fourth Proportional to 215,647.72, 297,595.08 and 125,057.47

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Solution

The fourth proportional to 215,647.72, 297,595.08 and 125,057.47 is: 172,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,647.72 : 297,595.08 = 125,057.47 : x
  2. Step 2: Convert to fraction form
    215,647.72/297,595.08 = 125,057.47/x
  3. Step 3: Cross multiply
    215,647.72x = 297,595.08 × 125,057.47
  4. Step 4: Simplify right side
    215,647.72x = 37,216,488,250.27
  5. Step 5: Solve for x
    x = 37,216,488,250.27/215,647.72
  6. Step 6: Final answer
    x = 172,580.02

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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.