Home / 129,734.62-179,033.67-70,118.62

Finding the Fourth Proportional to 129,734.62, 179,033.67 and 70,118.62

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Solution

The fourth proportional to 129,734.62, 179,033.67 and 70,118.62 is: 96,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,734.62 : 179,033.67 = 70,118.62 : x
  2. Step 2: Convert to fraction form
    129,734.62/179,033.67 = 70,118.62/x
  3. Step 3: Cross multiply
    129,734.62x = 179,033.67 × 70,118.62
  4. Step 4: Simplify right side
    129,734.62x = 12,553,593,873.94
  5. Step 5: Solve for x
    x = 12,553,593,873.94/129,734.62
  6. Step 6: Final answer
    x = 96,763.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.