Home / 190,220.16-285,377.58-57,102.78

Finding the Fourth Proportional to 190,220.16, 285,377.58 and 57,102.78

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Solution

The fourth proportional to 190,220.16, 285,377.58 and 57,102.78 is: 85,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,220.16 : 285,377.58 = 57,102.78 : x
  2. Step 2: Convert to fraction form
    190,220.16/285,377.58 = 57,102.78/x
  3. Step 3: Cross multiply
    190,220.16x = 285,377.58 × 57,102.78
  4. Step 4: Simplify right side
    190,220.16x = 16,295,853,167.67
  5. Step 5: Solve for x
    x = 16,295,853,167.67/190,220.16
  6. Step 6: Final answer
    x = 85,668.38

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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.