Home / 212,710.08-319,064.20-62,951.31

Finding the Fourth Proportional to 212,710.08, 319,064.20 and 62,951.31

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Solution

The fourth proportional to 212,710.08, 319,064.20 and 62,951.31 is: 94,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,710.08 : 319,064.20 = 62,951.31 : x
  2. Step 2: Convert to fraction form
    212,710.08/319,064.20 = 62,951.31/x
  3. Step 3: Cross multiply
    212,710.08x = 319,064.20 × 62,951.31
  4. Step 4: Simplify right side
    212,710.08x = 20,085,509,206.72
  5. Step 5: Solve for x
    x = 20,085,509,206.72/212,710.08
  6. Step 6: Final answer
    x = 94,426.69

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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.