Home / 348,029.46-522,142.20-134,861.76

Finding the Fourth Proportional to 348,029.46, 522,142.20 and 134,861.76

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Solution

The fourth proportional to 348,029.46, 522,142.20 and 134,861.76 is: 202,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,029.46 : 522,142.20 = 134,861.76 : x
  2. Step 2: Convert to fraction form
    348,029.46/522,142.20 = 134,861.76/x
  3. Step 3: Cross multiply
    348,029.46x = 522,142.20 × 134,861.76
  4. Step 4: Simplify right side
    348,029.46x = 70,417,016,062.27
  5. Step 5: Solve for x
    x = 70,417,016,062.27/348,029.46
  6. Step 6: Final answer
    x = 202,330.62

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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.