Home / 186,279.76-256,576.35-143,176.83

Finding the Fourth Proportional to 186,279.76, 256,576.35 and 143,176.83

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Solution

The fourth proportional to 186,279.76, 256,576.35 and 143,176.83 is: 197,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,279.76 : 256,576.35 = 143,176.83 : x
  2. Step 2: Convert to fraction form
    186,279.76/256,576.35 = 143,176.83/x
  3. Step 3: Cross multiply
    186,279.76x = 256,576.35 × 143,176.83
  4. Step 4: Simplify right side
    186,279.76x = 36,735,788,445.97
  5. Step 5: Solve for x
    x = 36,735,788,445.97/186,279.76
  6. Step 6: Final answer
    x = 197,207.62

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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.