Home / 330,112.24-455,565.81-186,869.32

Finding the Fourth Proportional to 330,112.24, 455,565.81 and 186,869.32

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Solution

The fourth proportional to 330,112.24, 455,565.81 and 186,869.32 is: 257,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,112.24 : 455,565.81 = 186,869.32 : x
  2. Step 2: Convert to fraction form
    330,112.24/455,565.81 = 186,869.32/x
  3. Step 3: Cross multiply
    330,112.24x = 455,565.81 × 186,869.32
  4. Step 4: Simplify right side
    330,112.24x = 85,131,273,129.95
  5. Step 5: Solve for x
    x = 85,131,273,129.95/330,112.24
  6. Step 6: Final answer
    x = 257,885.84

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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.