Home / 317,137.14-437,878.86-204,156.72

Finding the Fourth Proportional to 317,137.14, 437,878.86 and 204,156.72

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Solution

The fourth proportional to 317,137.14, 437,878.86 and 204,156.72 is: 281,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,137.14 : 437,878.86 = 204,156.72 : x
  2. Step 2: Convert to fraction form
    317,137.14/437,878.86 = 204,156.72/x
  3. Step 3: Cross multiply
    317,137.14x = 437,878.86 × 204,156.72
  4. Step 4: Simplify right side
    317,137.14x = 89,395,911,814.94
  5. Step 5: Solve for x
    x = 89,395,911,814.94/317,137.14
  6. Step 6: Final answer
    x = 281,884.08

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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.