Home / 185,859.12-256,485.60-100,975.92

Finding the Fourth Proportional to 185,859.12, 256,485.60 and 100,975.92

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Solution

The fourth proportional to 185,859.12, 256,485.60 and 100,975.92 is: 139,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,859.12 : 256,485.60 = 100,975.92 : x
  2. Step 2: Convert to fraction form
    185,859.12/256,485.60 = 100,975.92/x
  3. Step 3: Cross multiply
    185,859.12x = 256,485.60 × 100,975.92
  4. Step 4: Simplify right side
    185,859.12x = 25,898,869,426.75
  5. Step 5: Solve for x
    x = 25,898,869,426.75/185,859.12
  6. Step 6: Final answer
    x = 139,346.78

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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.