Home / 216,319.98-324,124.13-74,086.82

Finding the Fourth Proportional to 216,319.98, 324,124.13 and 74,086.82

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Solution

The fourth proportional to 216,319.98, 324,124.13 and 74,086.82 is: 111,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,319.98 : 324,124.13 = 74,086.82 : x
  2. Step 2: Convert to fraction form
    216,319.98/324,124.13 = 74,086.82/x
  3. Step 3: Cross multiply
    216,319.98x = 324,124.13 × 74,086.82
  4. Step 4: Simplify right side
    216,319.98x = 24,013,326,076.97
  5. Step 5: Solve for x
    x = 24,013,326,076.97/216,319.98
  6. Step 6: Final answer
    x = 111,008.36

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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.