Home / 211,583.62-317,374.06-53,810.71

Finding the Fourth Proportional to 211,583.62, 317,374.06 and 53,810.71

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Solution

The fourth proportional to 211,583.62, 317,374.06 and 53,810.71 is: 80,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,583.62 : 317,374.06 = 53,810.71 : x
  2. Step 2: Convert to fraction form
    211,583.62/317,374.06 = 53,810.71/x
  3. Step 3: Cross multiply
    211,583.62x = 317,374.06 × 53,810.71
  4. Step 4: Simplify right side
    211,583.62x = 17,078,123,504.18
  5. Step 5: Solve for x
    x = 17,078,123,504.18/211,583.62
  6. Step 6: Final answer
    x = 80,715.72

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1.5x scale

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.