Home / 98,186.40-147,344.16-53,844.36

Finding the Fourth Proportional to 98,186.40, 147,344.16 and 53,844.36

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Solution

The fourth proportional to 98,186.40, 147,344.16 and 53,844.36 is: 80,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,186.40 : 147,344.16 = 53,844.36 : x
  2. Step 2: Convert to fraction form
    98,186.40/147,344.16 = 53,844.36/x
  3. Step 3: Cross multiply
    98,186.40x = 147,344.16 × 53,844.36
  4. Step 4: Simplify right side
    98,186.40x = 7,933,651,994.94
  5. Step 5: Solve for x
    x = 7,933,651,994.94/98,186.40
  6. Step 6: Final answer
    x = 80,801.94

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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.