Home / 200,725.41-301,088.67-67,699.11

Finding the Fourth Proportional to 200,725.41, 301,088.67 and 67,699.11

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Solution

The fourth proportional to 200,725.41, 301,088.67 and 67,699.11 is: 101,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,725.41 : 301,088.67 = 67,699.11 : x
  2. Step 2: Convert to fraction form
    200,725.41/301,088.67 = 67,699.11/x
  3. Step 3: Cross multiply
    200,725.41x = 301,088.67 × 67,699.11
  4. Step 4: Simplify right side
    200,725.41x = 20,383,434,990.08
  5. Step 5: Solve for x
    x = 20,383,434,990.08/200,725.41
  6. Step 6: Final answer
    x = 101,548.85

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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.