Home / 190,351.14-285,655.92-101,668.32

Finding the Fourth Proportional to 190,351.14, 285,655.92 and 101,668.32

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Solution

The fourth proportional to 190,351.14, 285,655.92 and 101,668.32 is: 152,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,351.14 : 285,655.92 = 101,668.32 : x
  2. Step 2: Convert to fraction form
    190,351.14/285,655.92 = 101,668.32/x
  3. Step 3: Cross multiply
    190,351.14x = 285,655.92 × 101,668.32
  4. Step 4: Simplify right side
    190,351.14x = 29,042,157,484.45
  5. Step 5: Solve for x
    x = 29,042,157,484.45/190,351.14
  6. Step 6: Final answer
    x = 152,571.49

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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.