Home / 117,316.89-175,982.18-45,270.18

Finding the Fourth Proportional to 117,316.89, 175,982.18 and 45,270.18

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Solution

The fourth proportional to 117,316.89, 175,982.18 and 45,270.18 is: 67,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.89 : 175,982.18 = 45,270.18 : x
  2. Step 2: Convert to fraction form
    117,316.89/175,982.18 = 45,270.18/x
  3. Step 3: Cross multiply
    117,316.89x = 175,982.18 × 45,270.18
  4. Step 4: Simplify right side
    117,316.89x = 7,966,744,965.39
  5. Step 5: Solve for x
    x = 7,966,744,965.39/117,316.89
  6. Step 6: Final answer
    x = 67,907.91

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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.