Home / 169,216.10-253,651.35-99,059.30

Finding the Fourth Proportional to 169,216.10, 253,651.35 and 99,059.30

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Solution

The fourth proportional to 169,216.10, 253,651.35 and 99,059.30 is: 148,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,216.10 : 253,651.35 = 99,059.30 : x
  2. Step 2: Convert to fraction form
    169,216.10/253,651.35 = 99,059.30/x
  3. Step 3: Cross multiply
    169,216.10x = 253,651.35 × 99,059.30
  4. Step 4: Simplify right side
    169,216.10x = 25,126,525,175.06
  5. Step 5: Solve for x
    x = 25,126,525,175.06/169,216.10
  6. Step 6: Final answer
    x = 148,487.79

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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.