Home / 103,162.24-154,642.92-53,298.64

Finding the Fourth Proportional to 103,162.24, 154,642.92 and 53,298.64

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Solution

The fourth proportional to 103,162.24, 154,642.92 and 53,298.64 is: 79,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,162.24 : 154,642.92 = 53,298.64 : x
  2. Step 2: Convert to fraction form
    103,162.24/154,642.92 = 53,298.64/x
  3. Step 3: Cross multiply
    103,162.24x = 154,642.92 × 53,298.64
  4. Step 4: Simplify right side
    103,162.24x = 8,242,257,321.63
  5. Step 5: Solve for x
    x = 8,242,257,321.63/103,162.24
  6. Step 6: Final answer
    x = 79,896.07

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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.