Home / 330,114.24-455,568.58-186,871.32

Finding the Fourth Proportional to 330,114.24, 455,568.58 and 186,871.32

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Solution

The fourth proportional to 330,114.24, 455,568.58 and 186,871.32 is: 257,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,114.24 : 455,568.58 = 186,871.32 : x
  2. Step 2: Convert to fraction form
    330,114.24/455,568.58 = 186,871.32/x
  3. Step 3: Cross multiply
    330,114.24x = 455,568.58 × 186,871.32
  4. Step 4: Simplify right side
    330,114.24x = 85,132,701,895.13
  5. Step 5: Solve for x
    x = 85,132,701,895.13/330,114.24
  6. Step 6: Final answer
    x = 257,888.61

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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.