Home / 200,867.13-301,142.16-99,595.35

Finding the Fourth Proportional to 200,867.13, 301,142.16 and 99,595.35

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Solution

The fourth proportional to 200,867.13, 301,142.16 and 99,595.35 is: 149,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,867.13 : 301,142.16 = 99,595.35 : x
  2. Step 2: Convert to fraction form
    200,867.13/301,142.16 = 99,595.35/x
  3. Step 3: Cross multiply
    200,867.13x = 301,142.16 × 99,595.35
  4. Step 4: Simplify right side
    200,867.13x = 29,992,358,824.96
  5. Step 5: Solve for x
    x = 29,992,358,824.96/200,867.13
  6. Step 6: Final answer
    x = 149,314.42

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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.