Home / 129,622.40-194,433.60-114,070.40

Finding the Fourth Proportional to 129,622.40, 194,433.60 and 114,070.40

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Solution

The fourth proportional to 129,622.40, 194,433.60 and 114,070.40 is: 171,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,622.40 : 194,433.60 = 114,070.40 : x
  2. Step 2: Convert to fraction form
    129,622.40/194,433.60 = 114,070.40/x
  3. Step 3: Cross multiply
    129,622.40x = 194,433.60 × 114,070.40
  4. Step 4: Simplify right side
    129,622.40x = 22,179,118,525.44
  5. Step 5: Solve for x
    x = 22,179,118,525.44/129,622.40
  6. Step 6: Final answer
    x = 171,105.60

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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.