Home / 317,006.28-437,513.52-196,186.52

Finding the Fourth Proportional to 317,006.28, 437,513.52 and 196,186.52

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Solution

The fourth proportional to 317,006.28, 437,513.52 and 196,186.52 is: 270,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,006.28 : 437,513.52 = 196,186.52 : x
  2. Step 2: Convert to fraction form
    317,006.28/437,513.52 = 196,186.52/x
  3. Step 3: Cross multiply
    317,006.28x = 437,513.52 × 196,186.52
  4. Step 4: Simplify right side
    317,006.28x = 85,834,254,941.75
  5. Step 5: Solve for x
    x = 85,834,254,941.75/317,006.28
  6. Step 6: Final answer
    x = 270,765.16

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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.