Home / 215,647.61-297,594.93-125,057.37

Finding the Fourth Proportional to 215,647.61, 297,594.93 and 125,057.37

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Solution

The fourth proportional to 215,647.61, 297,594.93 and 125,057.37 is: 172,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,647.61 : 297,594.93 = 125,057.37 : x
  2. Step 2: Convert to fraction form
    215,647.61/297,594.93 = 125,057.37/x
  3. Step 3: Cross multiply
    215,647.61x = 297,594.93 × 125,057.37
  4. Step 4: Simplify right side
    215,647.61x = 37,216,437,157.87
  5. Step 5: Solve for x
    x = 37,216,437,157.87/215,647.61
  6. Step 6: Final answer
    x = 172,579.87

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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.