Home / 165,698.60-248,402.10-99,165.20

Finding the Fourth Proportional to 165,698.60, 248,402.10 and 99,165.20

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Solution

The fourth proportional to 165,698.60, 248,402.10 and 99,165.20 is: 148,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,698.60 : 248,402.10 = 99,165.20 : x
  2. Step 2: Convert to fraction form
    165,698.60/248,402.10 = 99,165.20/x
  3. Step 3: Cross multiply
    165,698.60x = 248,402.10 × 99,165.20
  4. Step 4: Simplify right side
    165,698.60x = 24,632,843,926.92
  5. Step 5: Solve for x
    x = 24,632,843,926.92/165,698.60
  6. Step 6: Final answer
    x = 148,660.54

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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.