Home / 212,934.61-319,390.98-63,176.14

Finding the Fourth Proportional to 212,934.61, 319,390.98 and 63,176.14

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Solution

The fourth proportional to 212,934.61, 319,390.98 and 63,176.14 is: 94,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,934.61 : 319,390.98 = 63,176.14 : x
  2. Step 2: Convert to fraction form
    212,934.61/319,390.98 = 63,176.14/x
  3. Step 3: Cross multiply
    212,934.61x = 319,390.98 × 63,176.14
  4. Step 4: Simplify right side
    212,934.61x = 20,177,889,267.22
  5. Step 5: Solve for x
    x = 20,177,889,267.22/212,934.61
  6. Step 6: Final answer
    x = 94,760.97

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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.