Home / 129,605.26-194,407.88-31,109.26

Finding the Fourth Proportional to 129,605.26, 194,407.88 and 31,109.26

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Solution

The fourth proportional to 129,605.26, 194,407.88 and 31,109.26 is: 46,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,605.26 : 194,407.88 = 31,109.26 : x
  2. Step 2: Convert to fraction form
    129,605.26/194,407.88 = 31,109.26/x
  3. Step 3: Cross multiply
    129,605.26x = 194,407.88 × 31,109.26
  4. Step 4: Simplify right side
    129,605.26x = 6,047,885,284.97
  5. Step 5: Solve for x
    x = 6,047,885,284.97/129,605.26
  6. Step 6: Final answer
    x = 46,663.89

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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.