Home / 165,412.92-248,012.77-70,704.89

Finding the Fourth Proportional to 165,412.92, 248,012.77 and 70,704.89

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Solution

The fourth proportional to 165,412.92, 248,012.77 and 70,704.89 is: 106,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,412.92 : 248,012.77 = 70,704.89 : x
  2. Step 2: Convert to fraction form
    165,412.92/248,012.77 = 70,704.89/x
  3. Step 3: Cross multiply
    165,412.92x = 248,012.77 × 70,704.89
  4. Step 4: Simplify right side
    165,412.92x = 17,535,715,621.45
  5. Step 5: Solve for x
    x = 17,535,715,621.45/165,412.92
  6. Step 6: Final answer
    x = 106,011.77

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1.5x scale

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.