Home / 190,247.16-285,414.47-57,129.93

Finding the Fourth Proportional to 190,247.16, 285,414.47 and 57,129.93

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Solution

The fourth proportional to 190,247.16, 285,414.47 and 57,129.93 is: 85,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,247.16 : 285,414.47 = 57,129.93 : x
  2. Step 2: Convert to fraction form
    190,247.16/285,414.47 = 57,129.93/x
  3. Step 3: Cross multiply
    190,247.16x = 285,414.47 × 57,129.93
  4. Step 4: Simplify right side
    190,247.16x = 16,305,708,692.09
  5. Step 5: Solve for x
    x = 16,305,708,692.09/190,247.16
  6. Step 6: Final answer
    x = 85,708.03

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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.