Home / 200,836.08-301,065.66-67,623.12

Finding the Fourth Proportional to 200,836.08, 301,065.66 and 67,623.12

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Solution

The fourth proportional to 200,836.08, 301,065.66 and 67,623.12 is: 101,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,836.08 : 301,065.66 = 67,623.12 : x
  2. Step 2: Convert to fraction form
    200,836.08/301,065.66 = 67,623.12/x
  3. Step 3: Cross multiply
    200,836.08x = 301,065.66 × 67,623.12
  4. Step 4: Simplify right side
    200,836.08x = 20,358,999,254.06
  5. Step 5: Solve for x
    x = 20,358,999,254.06/200,836.08
  6. Step 6: Final answer
    x = 101,371.22

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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.