Home / 188,650.59-260,332.38-103,767.66

Finding the Fourth Proportional to 188,650.59, 260,332.38 and 103,767.66

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Solution

The fourth proportional to 188,650.59, 260,332.38 and 103,767.66 is: 143,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,650.59 : 260,332.38 = 103,767.66 : x
  2. Step 2: Convert to fraction form
    188,650.59/260,332.38 = 103,767.66/x
  3. Step 3: Cross multiply
    188,650.59x = 260,332.38 × 103,767.66
  4. Step 4: Simplify right side
    188,650.59x = 27,014,081,894.83
  5. Step 5: Solve for x
    x = 27,014,081,894.83/188,650.59
  6. Step 6: Final answer
    x = 143,196.38

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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.