Home / 212,911.44-319,312.68-63,116.73

Finding the Fourth Proportional to 212,911.44, 319,312.68 and 63,116.73

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Solution

The fourth proportional to 212,911.44, 319,312.68 and 63,116.73 is: 94,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,911.44 : 319,312.68 = 63,116.73 : x
  2. Step 2: Convert to fraction form
    212,911.44/319,312.68 = 63,116.73/x
  3. Step 3: Cross multiply
    212,911.44x = 319,312.68 × 63,116.73
  4. Step 4: Simplify right side
    212,911.44x = 20,153,972,209.14
  5. Step 5: Solve for x
    x = 20,153,972,209.14/212,911.44
  6. Step 6: Final answer
    x = 94,658.94

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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.