Home / 183,687.36-253,488.43-103,115.04

Finding the Fourth Proportional to 183,687.36, 253,488.43 and 103,115.04

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Solution

The fourth proportional to 183,687.36, 253,488.43 and 103,115.04 is: 142,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,687.36 : 253,488.43 = 103,115.04 : x
  2. Step 2: Convert to fraction form
    183,687.36/253,488.43 = 103,115.04/x
  3. Step 3: Cross multiply
    183,687.36x = 253,488.43 × 103,115.04
  4. Step 4: Simplify right side
    183,687.36x = 26,138,469,598.99
  5. Step 5: Solve for x
    x = 26,138,469,598.99/183,687.36
  6. Step 6: Final answer
    x = 142,298.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.