Home / 145,069.62-200,205.14-83,818.44

Finding the Fourth Proportional to 145,069.62, 200,205.14 and 83,818.44

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Solution

The fourth proportional to 145,069.62, 200,205.14 and 83,818.44 is: 115,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,069.62 : 200,205.14 = 83,818.44 : x
  2. Step 2: Convert to fraction form
    145,069.62/200,205.14 = 83,818.44/x
  3. Step 3: Cross multiply
    145,069.62x = 200,205.14 × 83,818.44
  4. Step 4: Simplify right side
    145,069.62x = 16,780,882,514.78
  5. Step 5: Solve for x
    x = 16,780,882,514.78/145,069.62
  6. Step 6: Final answer
    x = 115,674.68

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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.