Home / 212,743.68-319,118.82-62,999.11

Finding the Fourth Proportional to 212,743.68, 319,118.82 and 62,999.11

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Solution

The fourth proportional to 212,743.68, 319,118.82 and 62,999.11 is: 94,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,743.68 : 319,118.82 = 62,999.11 : x
  2. Step 2: Convert to fraction form
    212,743.68/319,118.82 = 62,999.11/x
  3. Step 3: Cross multiply
    212,743.68x = 319,118.82 × 62,999.11
  4. Step 4: Simplify right side
    212,743.68x = 20,104,201,644.25
  5. Step 5: Solve for x
    x = 20,104,201,644.25/212,743.68
  6. Step 6: Final answer
    x = 94,499.64

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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.