Home / 186,129.56-256,743.60-162,313.40

Finding the Fourth Proportional to 186,129.56, 256,743.60 and 162,313.40

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Solution

The fourth proportional to 186,129.56, 256,743.60 and 162,313.40 is: 223,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,129.56 : 256,743.60 = 162,313.40 : x
  2. Step 2: Convert to fraction form
    186,129.56/256,743.60 = 162,313.40/x
  3. Step 3: Cross multiply
    186,129.56x = 256,743.60 × 162,313.40
  4. Step 4: Simplify right side
    186,129.56x = 41,672,926,644.24
  5. Step 5: Solve for x
    x = 41,672,926,644.24/186,129.56
  6. Step 6: Final answer
    x = 223,892.04

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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.