Home / 186,211.96-256,927.72-109,734.20

Finding the Fourth Proportional to 186,211.96, 256,927.72 and 109,734.20

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Solution

The fourth proportional to 186,211.96, 256,927.72 and 109,734.20 is: 151,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,211.96 : 256,927.72 = 109,734.20 : x
  2. Step 2: Convert to fraction form
    186,211.96/256,927.72 = 109,734.20/x
  3. Step 3: Cross multiply
    186,211.96x = 256,927.72 × 109,734.20
  4. Step 4: Simplify right side
    186,211.96x = 28,193,757,812.02
  5. Step 5: Solve for x
    x = 28,193,757,812.02/186,211.96
  6. Step 6: Final answer
    x = 151,406.80

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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.