Home / 185,355.42-255,817.74-117,378.60

Finding the Fourth Proportional to 185,355.42, 255,817.74 and 117,378.60

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Solution

The fourth proportional to 185,355.42, 255,817.74 and 117,378.60 is: 161,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,355.42 : 255,817.74 = 117,378.60 : x
  2. Step 2: Convert to fraction form
    185,355.42/255,817.74 = 117,378.60/x
  3. Step 3: Cross multiply
    185,355.42x = 255,817.74 × 117,378.60
  4. Step 4: Simplify right side
    185,355.42x = 30,027,528,176.36
  5. Step 5: Solve for x
    x = 30,027,528,176.36/185,355.42
  6. Step 6: Final answer
    x = 161,999.73

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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.