Home / 188,710.45-260,516.86-145,593.14

Finding the Fourth Proportional to 188,710.45, 260,516.86 and 145,593.14

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Solution

The fourth proportional to 188,710.45, 260,516.86 and 145,593.14 is: 200,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,710.45 : 260,516.86 = 145,593.14 : x
  2. Step 2: Convert to fraction form
    188,710.45/260,516.86 = 145,593.14/x
  3. Step 3: Cross multiply
    188,710.45x = 260,516.86 × 145,593.14
  4. Step 4: Simplify right side
    188,710.45x = 37,929,466,003.77
  5. Step 5: Solve for x
    x = 37,929,466,003.77/188,710.45
  6. Step 6: Final answer
    x = 200,992.93

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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.