Home / 164,740.47-247,193.88-74,725.82

Finding the Fourth Proportional to 164,740.47, 247,193.88 and 74,725.82

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Solution

The fourth proportional to 164,740.47, 247,193.88 and 74,725.82 is: 112,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,740.47 : 247,193.88 = 74,725.82 : x
  2. Step 2: Convert to fraction form
    164,740.47/247,193.88 = 74,725.82/x
  3. Step 3: Cross multiply
    164,740.47x = 247,193.88 × 74,725.82
  4. Step 4: Simplify right side
    164,740.47x = 18,471,765,353.21
  5. Step 5: Solve for x
    x = 18,471,765,353.21/164,740.47
  6. Step 6: Final answer
    x = 112,126.46

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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.