Home / 129,684.38-194,526.56-31,188.38

Finding the Fourth Proportional to 129,684.38, 194,526.56 and 31,188.38

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Solution

The fourth proportional to 129,684.38, 194,526.56 and 31,188.38 is: 46,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,684.38 : 194,526.56 = 31,188.38 : x
  2. Step 2: Convert to fraction form
    129,684.38/194,526.56 = 31,188.38/x
  3. Step 3: Cross multiply
    129,684.38x = 194,526.56 × 31,188.38
  4. Step 4: Simplify right side
    129,684.38x = 6,066,967,378.71
  5. Step 5: Solve for x
    x = 6,066,967,378.71/129,684.38
  6. Step 6: Final answer
    x = 46,782.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.