Home / 188,827.08-260,581.50-103,945.56

Finding the Fourth Proportional to 188,827.08, 260,581.50 and 103,945.56

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Solution

The fourth proportional to 188,827.08, 260,581.50 and 103,945.56 is: 143,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,827.08 : 260,581.50 = 103,945.56 : x
  2. Step 2: Convert to fraction form
    188,827.08/260,581.50 = 103,945.56/x
  3. Step 3: Cross multiply
    188,827.08x = 260,581.50 × 103,945.56
  4. Step 4: Simplify right side
    188,827.08x = 27,086,289,943.14
  5. Step 5: Solve for x
    x = 27,086,289,943.14/188,827.08
  6. Step 6: Final answer
    x = 143,444.94

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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.