Home / 190,128.26-285,191.62-47,973.87

Finding the Fourth Proportional to 190,128.26, 285,191.62 and 47,973.87

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Solution

The fourth proportional to 190,128.26, 285,191.62 and 47,973.87 is: 71,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.26 : 285,191.62 = 47,973.87 : x
  2. Step 2: Convert to fraction form
    190,128.26/285,191.62 = 47,973.87/x
  3. Step 3: Cross multiply
    190,128.26x = 285,191.62 × 47,973.87
  4. Step 4: Simplify right side
    190,128.26x = 13,681,745,583.03
  5. Step 5: Solve for x
    x = 13,681,745,583.03/190,128.26
  6. Step 6: Final answer
    x = 71,960.61

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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.