Home / 129,991.36-194,987.10-46,885.36

Finding the Fourth Proportional to 129,991.36, 194,987.10 and 46,885.36

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Solution

The fourth proportional to 129,991.36, 194,987.10 and 46,885.36 is: 70,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,991.36 : 194,987.10 = 46,885.36 : x
  2. Step 2: Convert to fraction form
    129,991.36/194,987.10 = 46,885.36/x
  3. Step 3: Cross multiply
    129,991.36x = 194,987.10 × 46,885.36
  4. Step 4: Simplify right side
    129,991.36x = 9,142,040,378.86
  5. Step 5: Solve for x
    x = 9,142,040,378.86/129,991.36
  6. Step 6: Final answer
    x = 70,328.06

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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.