Home / 183,911.19-253,821.04-103,338.87

Finding the Fourth Proportional to 183,911.19, 253,821.04 and 103,338.87

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Solution

The fourth proportional to 183,911.19, 253,821.04 and 103,338.87 is: 142,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,911.19 : 253,821.04 = 103,338.87 : x
  2. Step 2: Convert to fraction form
    183,911.19/253,821.04 = 103,338.87/x
  3. Step 3: Cross multiply
    183,911.19x = 253,821.04 × 103,338.87
  4. Step 4: Simplify right side
    183,911.19x = 26,229,579,455.82
  5. Step 5: Solve for x
    x = 26,229,579,455.82/183,911.19
  6. Step 6: Final answer
    x = 142,620.90

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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.