Home / 129,626.40-194,439.60-114,074.40

Finding the Fourth Proportional to 129,626.40, 194,439.60 and 114,074.40

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Solution

The fourth proportional to 129,626.40, 194,439.60 and 114,074.40 is: 171,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.40 : 194,439.60 = 114,074.40 : x
  2. Step 2: Convert to fraction form
    129,626.40/194,439.60 = 114,074.40/x
  3. Step 3: Cross multiply
    129,626.40x = 194,439.60 × 114,074.40
  4. Step 4: Simplify right side
    129,626.40x = 22,180,580,706.24
  5. Step 5: Solve for x
    x = 22,180,580,706.24/129,626.40
  6. Step 6: Final answer
    x = 171,111.60

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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.