Home / 186,728.85-257,707.59-106,168.44

Finding the Fourth Proportional to 186,728.85, 257,707.59 and 106,168.44

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Solution

The fourth proportional to 186,728.85, 257,707.59 and 106,168.44 is: 146,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,728.85 : 257,707.59 = 106,168.44 : x
  2. Step 2: Convert to fraction form
    186,728.85/257,707.59 = 106,168.44/x
  3. Step 3: Cross multiply
    186,728.85x = 257,707.59 × 106,168.44
  4. Step 4: Simplify right side
    186,728.85x = 27,360,412,806.46
  5. Step 5: Solve for x
    x = 27,360,412,806.46/186,728.85
  6. Step 6: Final answer
    x = 146,524.83

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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.