Home / 185,645.27-256,190.97-100,762.34

Finding the Fourth Proportional to 185,645.27, 256,190.97 and 100,762.34

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Solution

The fourth proportional to 185,645.27, 256,190.97 and 100,762.34 is: 139,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,645.27 : 256,190.97 = 100,762.34 : x
  2. Step 2: Convert to fraction form
    185,645.27/256,190.97 = 100,762.34/x
  3. Step 3: Cross multiply
    185,645.27x = 256,190.97 × 100,762.34
  4. Step 4: Simplify right side
    185,645.27x = 25,814,400,154.19
  5. Step 5: Solve for x
    x = 25,814,400,154.19/185,645.27
  6. Step 6: Final answer
    x = 139,052.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.