Home / 220,183.16-303,871.50-124,706.84

Finding the Fourth Proportional to 220,183.16, 303,871.50 and 124,706.84

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Solution

The fourth proportional to 220,183.16, 303,871.50 and 124,706.84 is: 172,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,183.16 : 303,871.50 = 124,706.84 : x
  2. Step 2: Convert to fraction form
    220,183.16/303,871.50 = 124,706.84/x
  3. Step 3: Cross multiply
    220,183.16x = 303,871.50 × 124,706.84
  4. Step 4: Simplify right side
    220,183.16x = 37,894,854,531.06
  5. Step 5: Solve for x
    x = 37,894,854,531.06/220,183.16
  6. Step 6: Final answer
    x = 172,106.05

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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.