Home / 190,357.17-285,571.80-76,513.85

Finding the Fourth Proportional to 190,357.17, 285,571.80 and 76,513.85

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Solution

The fourth proportional to 190,357.17, 285,571.80 and 76,513.85 is: 114,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,357.17 : 285,571.80 = 76,513.85 : x
  2. Step 2: Convert to fraction form
    190,357.17/285,571.80 = 76,513.85/x
  3. Step 3: Cross multiply
    190,357.17x = 285,571.80 × 76,513.85
  4. Step 4: Simplify right side
    190,357.17x = 21,850,197,486.86
  5. Step 5: Solve for x
    x = 21,850,197,486.86/190,357.17
  6. Step 6: Final answer
    x = 114,785.26

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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.