Home / 186,178.96-256,928.04-101,296.60

Finding the Fourth Proportional to 186,178.96, 256,928.04 and 101,296.60

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Solution

The fourth proportional to 186,178.96, 256,928.04 and 101,296.60 is: 139,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,178.96 : 256,928.04 = 101,296.60 : x
  2. Step 2: Convert to fraction form
    186,178.96/256,928.04 = 101,296.60/x
  3. Step 3: Cross multiply
    186,178.96x = 256,928.04 × 101,296.60
  4. Step 4: Simplify right side
    186,178.96x = 26,025,936,896.66
  5. Step 5: Solve for x
    x = 26,025,936,896.66/186,178.96
  6. Step 6: Final answer
    x = 139,789.89

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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.