Home / 279,059.06-385,098.83-151,734.70

Finding the Fourth Proportional to 279,059.06, 385,098.83 and 151,734.70

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Solution

The fourth proportional to 279,059.06, 385,098.83 and 151,734.70 is: 209,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,059.06 : 385,098.83 = 151,734.70 : x
  2. Step 2: Convert to fraction form
    279,059.06/385,098.83 = 151,734.70/x
  3. Step 3: Cross multiply
    279,059.06x = 385,098.83 × 151,734.70
  4. Step 4: Simplify right side
    279,059.06x = 58,432,855,440.40
  5. Step 5: Solve for x
    x = 58,432,855,440.40/279,059.06
  6. Step 6: Final answer
    x = 209,392.43

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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.