Home / 186,217.27-256,958.94-109,731.40

Finding the Fourth Proportional to 186,217.27, 256,958.94 and 109,731.40

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Solution

The fourth proportional to 186,217.27, 256,958.94 and 109,731.40 is: 151,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,217.27 : 256,958.94 = 109,731.40 : x
  2. Step 2: Convert to fraction form
    186,217.27/256,958.94 = 109,731.40/x
  3. Step 3: Cross multiply
    186,217.27x = 256,958.94 × 109,731.40
  4. Step 4: Simplify right side
    186,217.27x = 28,196,464,228.72
  5. Step 5: Solve for x
    x = 28,196,464,228.72/186,217.27
  6. Step 6: Final answer
    x = 151,417.02

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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.