Home / 189,519.80-261,536.60-104,636.24

Finding the Fourth Proportional to 189,519.80, 261,536.60 and 104,636.24

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Solution

The fourth proportional to 189,519.80, 261,536.60 and 104,636.24 is: 144,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,519.80 : 261,536.60 = 104,636.24 : x
  2. Step 2: Convert to fraction form
    189,519.80/261,536.60 = 104,636.24/x
  3. Step 3: Cross multiply
    189,519.80x = 261,536.60 × 104,636.24
  4. Step 4: Simplify right side
    189,519.80x = 27,366,206,446.38
  5. Step 5: Solve for x
    x = 27,366,206,446.38/189,519.80
  6. Step 6: Final answer
    x = 144,397.61

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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.