Home / 129,767.04-194,650.56-50,918.40

Finding the Fourth Proportional to 129,767.04, 194,650.56 and 50,918.40

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Solution

The fourth proportional to 129,767.04, 194,650.56 and 50,918.40 is: 76,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.04 : 194,650.56 = 50,918.40 : x
  2. Step 2: Convert to fraction form
    129,767.04/194,650.56 = 50,918.40/x
  3. Step 3: Cross multiply
    129,767.04x = 194,650.56 × 50,918.40
  4. Step 4: Simplify right side
    129,767.04x = 9,911,295,074.30
  5. Step 5: Solve for x
    x = 9,911,295,074.30/129,767.04
  6. Step 6: Final answer
    x = 76,377.60

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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.