Home / 190,188.54-285,336.14-76,416.24

Finding the Fourth Proportional to 190,188.54, 285,336.14 and 76,416.24

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Solution

The fourth proportional to 190,188.54, 285,336.14 and 76,416.24 is: 114,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,188.54 : 285,336.14 = 76,416.24 : x
  2. Step 2: Convert to fraction form
    190,188.54/285,336.14 = 76,416.24/x
  3. Step 3: Cross multiply
    190,188.54x = 285,336.14 × 76,416.24
  4. Step 4: Simplify right side
    190,188.54x = 21,804,314,954.91
  5. Step 5: Solve for x
    x = 21,804,314,954.91/190,188.54
  6. Step 6: Final answer
    x = 114,645.79

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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.