Home / 211,905.18-317,834.01-62,146.71

Finding the Fourth Proportional to 211,905.18, 317,834.01 and 62,146.71

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Solution

The fourth proportional to 211,905.18, 317,834.01 and 62,146.71 is: 93,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,905.18 : 317,834.01 = 62,146.71 : x
  2. Step 2: Convert to fraction form
    211,905.18/317,834.01 = 62,146.71/x
  3. Step 3: Cross multiply
    211,905.18x = 317,834.01 × 62,146.71
  4. Step 4: Simplify right side
    211,905.18x = 19,752,338,047.61
  5. Step 5: Solve for x
    x = 19,752,338,047.61/211,905.18
  6. Step 6: Final answer
    x = 93,213.10

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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.