Home / 215,924.55-297,821.64-187,192.86

Finding the Fourth Proportional to 215,924.55, 297,821.64 and 187,192.86

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Solution

The fourth proportional to 215,924.55, 297,821.64 and 187,192.86 is: 258,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,924.55 : 297,821.64 = 187,192.86 : x
  2. Step 2: Convert to fraction form
    215,924.55/297,821.64 = 187,192.86/x
  3. Step 3: Cross multiply
    215,924.55x = 297,821.64 × 187,192.86
  4. Step 4: Simplify right side
    215,924.55x = 55,750,084,561.49
  5. Step 5: Solve for x
    x = 55,750,084,561.49/215,924.55
  6. Step 6: Final answer
    x = 258,192.43

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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.