Home / 329,899.28-455,248.59-186,662.42

Finding the Fourth Proportional to 329,899.28, 455,248.59 and 186,662.42

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Solution

The fourth proportional to 329,899.28, 455,248.59 and 186,662.42 is: 257,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,899.28 : 455,248.59 = 186,662.42 : x
  2. Step 2: Convert to fraction form
    329,899.28/455,248.59 = 186,662.42/x
  3. Step 3: Cross multiply
    329,899.28x = 455,248.59 × 186,662.42
  4. Step 4: Simplify right side
    329,899.28x = 84,977,801,234.74
  5. Step 5: Solve for x
    x = 84,977,801,234.74/329,899.28
  6. Step 6: Final answer
    x = 257,587.11

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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.