Home / 193,019.76-266,378.20-108,164.16

Finding the Fourth Proportional to 193,019.76, 266,378.20 and 108,164.16

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Solution

The fourth proportional to 193,019.76, 266,378.20 and 108,164.16 is: 149,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,019.76 : 266,378.20 = 108,164.16 : x
  2. Step 2: Convert to fraction form
    193,019.76/266,378.20 = 108,164.16/x
  3. Step 3: Cross multiply
    193,019.76x = 266,378.20 × 108,164.16
  4. Step 4: Simplify right side
    193,019.76x = 28,812,574,245.31
  5. Step 5: Solve for x
    x = 28,812,574,245.31/193,019.76
  6. Step 6: Final answer
    x = 149,272.67

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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.