Home / 129,608.13-194,412.19-31,112.13

Finding the Fourth Proportional to 129,608.13, 194,412.19 and 31,112.13

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Solution

The fourth proportional to 129,608.13, 194,412.19 and 31,112.13 is: 46,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,608.13 : 194,412.19 = 31,112.13 : x
  2. Step 2: Convert to fraction form
    129,608.13/194,412.19 = 31,112.13/x
  3. Step 3: Cross multiply
    129,608.13x = 194,412.19 × 31,112.13
  4. Step 4: Simplify right side
    129,608.13x = 6,048,577,328.86
  5. Step 5: Solve for x
    x = 6,048,577,328.86/129,608.13
  6. Step 6: Final answer
    x = 46,668.19

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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.