Home / 341,790.20-512,685.30-173,828.60

Finding the Fourth Proportional to 341,790.20, 512,685.30 and 173,828.60

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Solution

The fourth proportional to 341,790.20, 512,685.30 and 173,828.60 is: 260,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,790.20 : 512,685.30 = 173,828.60 : x
  2. Step 2: Convert to fraction form
    341,790.20/512,685.30 = 173,828.60/x
  3. Step 3: Cross multiply
    341,790.20x = 512,685.30 × 173,828.60
  4. Step 4: Simplify right side
    341,790.20x = 89,119,367,939.58
  5. Step 5: Solve for x
    x = 89,119,367,939.58/341,790.20
  6. Step 6: Final answer
    x = 260,742.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.