Home / 317,784.20-476,546.70-107,313.80

Finding the Fourth Proportional to 317,784.20, 476,546.70 and 107,313.80

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Solution

The fourth proportional to 317,784.20, 476,546.70 and 107,313.80 is: 160,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,784.20 : 476,546.70 = 107,313.80 : x
  2. Step 2: Convert to fraction form
    317,784.20/476,546.70 = 107,313.80/x
  3. Step 3: Cross multiply
    317,784.20x = 476,546.70 × 107,313.80
  4. Step 4: Simplify right side
    317,784.20x = 51,140,037,254.46
  5. Step 5: Solve for x
    x = 51,140,037,254.46/317,784.20
  6. Step 6: Final answer
    x = 160,926.93

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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.