Home / 193,449.14-266,825.49-157,639.22

Finding the Fourth Proportional to 193,449.14, 266,825.49 and 157,639.22

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Solution

The fourth proportional to 193,449.14, 266,825.49 and 157,639.22 is: 217,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,449.14 : 266,825.49 = 157,639.22 : x
  2. Step 2: Convert to fraction form
    193,449.14/266,825.49 = 157,639.22/x
  3. Step 3: Cross multiply
    193,449.14x = 266,825.49 × 157,639.22
  4. Step 4: Simplify right side
    193,449.14x = 42,062,162,119.72
  5. Step 5: Solve for x
    x = 42,062,162,119.72/193,449.14
  6. Step 6: Final answer
    x = 217,432.67

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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.