Home / 329,868.22-455,220.11-186,658.19

Finding the Fourth Proportional to 329,868.22, 455,220.11 and 186,658.19

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Solution

The fourth proportional to 329,868.22, 455,220.11 and 186,658.19 is: 257,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,868.22 : 455,220.11 = 186,658.19 : x
  2. Step 2: Convert to fraction form
    329,868.22/455,220.11 = 186,658.19/x
  3. Step 3: Cross multiply
    329,868.22x = 455,220.11 × 186,658.19
  4. Step 4: Simplify right side
    329,868.22x = 84,970,561,784.20
  5. Step 5: Solve for x
    x = 84,970,561,784.20/329,868.22
  6. Step 6: Final answer
    x = 257,589.41

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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.