Home / 185,610.51-256,142.67-100,727.57

Finding the Fourth Proportional to 185,610.51, 256,142.67 and 100,727.57

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Solution

The fourth proportional to 185,610.51, 256,142.67 and 100,727.57 is: 139,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,610.51 : 256,142.67 = 100,727.57 : x
  2. Step 2: Convert to fraction form
    185,610.51/256,142.67 = 100,727.57/x
  3. Step 3: Cross multiply
    185,610.51x = 256,142.67 × 100,727.57
  4. Step 4: Simplify right side
    185,610.51x = 25,800,628,722.41
  5. Step 5: Solve for x
    x = 25,800,628,722.41/185,610.51
  6. Step 6: Final answer
    x = 139,004.14

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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.