Home / 317,390.20-437,983.82-174,146.68

Finding the Fourth Proportional to 317,390.20, 437,983.82 and 174,146.68

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Solution

The fourth proportional to 317,390.20, 437,983.82 and 174,146.68 is: 240,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,390.20 : 437,983.82 = 174,146.68 : x
  2. Step 2: Convert to fraction form
    317,390.20/437,983.82 = 174,146.68/x
  3. Step 3: Cross multiply
    317,390.20x = 437,983.82 × 174,146.68
  4. Step 4: Simplify right side
    317,390.20x = 76,273,428,146.72
  5. Step 5: Solve for x
    x = 76,273,428,146.72/317,390.20
  6. Step 6: Final answer
    x = 240,314.38

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1.5x scale

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.