Home / 175,478.11-242,170.87-98,969.29

Finding the Fourth Proportional to 175,478.11, 242,170.87 and 98,969.29

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Solution

The fourth proportional to 175,478.11, 242,170.87 and 98,969.29 is: 136,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,478.11 : 242,170.87 = 98,969.29 : x
  2. Step 2: Convert to fraction form
    175,478.11/242,170.87 = 98,969.29/x
  3. Step 3: Cross multiply
    175,478.11x = 242,170.87 × 98,969.29
  4. Step 4: Simplify right side
    175,478.11x = 23,967,479,757.51
  5. Step 5: Solve for x
    x = 23,967,479,757.51/175,478.11
  6. Step 6: Final answer
    x = 136,583.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.