Home / 217,157.37-325,656-74,966.46

Finding the Fourth Proportional to 217,157.37, 325,656 and 74,966.46

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Solution

The fourth proportional to 217,157.37, 325,656 and 74,966.46 is: 112,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,157.37 : 325,656 = 74,966.46 : x
  2. Step 2: Convert to fraction form
    217,157.37/325,656 = 74,966.46/x
  3. Step 3: Cross multiply
    217,157.37x = 325,656 × 74,966.46
  4. Step 4: Simplify right side
    217,157.37x = 24,413,277,497.76
  5. Step 5: Solve for x
    x = 24,413,277,497.76/217,157.37
  6. Step 6: Final answer
    x = 112,422.05

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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.