Home / 149,766.90-206,724.09-92,423.76

Finding the Fourth Proportional to 149,766.90, 206,724.09 and 92,423.76

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Solution

The fourth proportional to 149,766.90, 206,724.09 and 92,423.76 is: 127,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,766.90 : 206,724.09 = 92,423.76 : x
  2. Step 2: Convert to fraction form
    149,766.90/206,724.09 = 92,423.76/x
  3. Step 3: Cross multiply
    149,766.90x = 206,724.09 × 92,423.76
  4. Step 4: Simplify right side
    149,766.90x = 19,106,217,680.38
  5. Step 5: Solve for x
    x = 19,106,217,680.38/149,766.90
  6. Step 6: Final answer
    x = 127,573.03

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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.