Home / 193,890.82-291,108.71-99,188.93

Finding the Fourth Proportional to 193,890.82, 291,108.71 and 99,188.93

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Solution

The fourth proportional to 193,890.82, 291,108.71 and 99,188.93 is: 148,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,890.82 : 291,108.71 = 99,188.93 : x
  2. Step 2: Convert to fraction form
    193,890.82/291,108.71 = 99,188.93/x
  3. Step 3: Cross multiply
    193,890.82x = 291,108.71 × 99,188.93
  4. Step 4: Simplify right side
    193,890.82x = 28,874,761,458.58
  5. Step 5: Solve for x
    x = 28,874,761,458.58/193,890.82
  6. Step 6: Final answer
    x = 148,922.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.