Home / 190,134.27-285,200.63-47,979.87

Finding the Fourth Proportional to 190,134.27, 285,200.63 and 47,979.87

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Solution

The fourth proportional to 190,134.27, 285,200.63 and 47,979.87 is: 71,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,134.27 : 285,200.63 = 47,979.87 : x
  2. Step 2: Convert to fraction form
    190,134.27/285,200.63 = 47,979.87/x
  3. Step 3: Cross multiply
    190,134.27x = 285,200.63 × 47,979.87
  4. Step 4: Simplify right side
    190,134.27x = 13,683,888,911.42
  5. Step 5: Solve for x
    x = 13,683,888,911.42/190,134.27
  6. Step 6: Final answer
    x = 71,969.61

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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.