Home / 185,196.33-255,571.29-100,313.46

Finding the Fourth Proportional to 185,196.33, 255,571.29 and 100,313.46

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Solution

The fourth proportional to 185,196.33, 255,571.29 and 100,313.46 is: 138,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,196.33 : 255,571.29 = 100,313.46 : x
  2. Step 2: Convert to fraction form
    185,196.33/255,571.29 = 100,313.46/x
  3. Step 3: Cross multiply
    185,196.33x = 255,571.29 × 100,313.46
  4. Step 4: Simplify right side
    185,196.33x = 25,637,240,376.56
  5. Step 5: Solve for x
    x = 25,637,240,376.56/185,196.33
  6. Step 6: Final answer
    x = 138,432.77

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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.