Home / 186,121.50-256,847.79-105,523.26

Finding the Fourth Proportional to 186,121.50, 256,847.79 and 105,523.26

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Solution

The fourth proportional to 186,121.50, 256,847.79 and 105,523.26 is: 145,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,121.50 : 256,847.79 = 105,523.26 : x
  2. Step 2: Convert to fraction form
    186,121.50/256,847.79 = 105,523.26/x
  3. Step 3: Cross multiply
    186,121.50x = 256,847.79 × 105,523.26
  4. Step 4: Simplify right side
    186,121.50x = 27,103,416,124.60
  5. Step 5: Solve for x
    x = 27,103,416,124.60/186,121.50
  6. Step 6: Final answer
    x = 145,622.17

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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.