Home / 165,904.80-248,857.20-99,549.60

Finding the Fourth Proportional to 165,904.80, 248,857.20 and 99,549.60

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Solution

The fourth proportional to 165,904.80, 248,857.20 and 99,549.60 is: 149,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,904.80 : 248,857.20 = 99,549.60 : x
  2. Step 2: Convert to fraction form
    165,904.80/248,857.20 = 99,549.60/x
  3. Step 3: Cross multiply
    165,904.80x = 248,857.20 × 99,549.60
  4. Step 4: Simplify right side
    165,904.80x = 24,773,634,717.12
  5. Step 5: Solve for x
    x = 24,773,634,717.12/165,904.80
  6. Step 6: Final answer
    x = 149,324.40

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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.