Home / 330,222.02-455,708.17-187,009.94

Finding the Fourth Proportional to 330,222.02, 455,708.17 and 187,009.94

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Solution

The fourth proportional to 330,222.02, 455,708.17 and 187,009.94 is: 258,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,222.02 : 455,708.17 = 187,009.94 : x
  2. Step 2: Convert to fraction form
    330,222.02/455,708.17 = 187,009.94/x
  3. Step 3: Cross multiply
    330,222.02x = 455,708.17 × 187,009.94
  4. Step 4: Simplify right side
    330,222.02x = 85,221,957,529.21
  5. Step 5: Solve for x
    x = 85,221,957,529.21/330,222.02
  6. Step 6: Final answer
    x = 258,074.73

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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.