Home / 212,012.74-317,952.96-62,215.66

Finding the Fourth Proportional to 212,012.74, 317,952.96 and 62,215.66

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Solution

The fourth proportional to 212,012.74, 317,952.96 and 62,215.66 is: 93,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,012.74 : 317,952.96 = 62,215.66 : x
  2. Step 2: Convert to fraction form
    212,012.74/317,952.96 = 62,215.66/x
  3. Step 3: Cross multiply
    212,012.74x = 317,952.96 × 62,215.66
  4. Step 4: Simplify right side
    212,012.74x = 19,781,653,255.35
  5. Step 5: Solve for x
    x = 19,781,653,255.35/212,012.74
  6. Step 6: Final answer
    x = 93,304.08

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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.