Home / 398,053.68-596,969.62-131,835.04

Finding the Fourth Proportional to 398,053.68, 596,969.62 and 131,835.04

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Solution

The fourth proportional to 398,053.68, 596,969.62 and 131,835.04 is: 197,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,053.68 : 596,969.62 = 131,835.04 : x
  2. Step 2: Convert to fraction form
    398,053.68/596,969.62 = 131,835.04/x
  3. Step 3: Cross multiply
    398,053.68x = 596,969.62 × 131,835.04
  4. Step 4: Simplify right side
    398,053.68x = 78,701,513,731.48
  5. Step 5: Solve for x
    x = 78,701,513,731.48/398,053.68
  6. Step 6: Final answer
    x = 197,715.83

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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.