Home / 200,742.25-301,230.03-89,934.25

Finding the Fourth Proportional to 200,742.25, 301,230.03 and 89,934.25

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Solution

The fourth proportional to 200,742.25, 301,230.03 and 89,934.25 is: 134,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,742.25 : 301,230.03 = 89,934.25 : x
  2. Step 2: Convert to fraction form
    200,742.25/301,230.03 = 89,934.25/x
  3. Step 3: Cross multiply
    200,742.25x = 301,230.03 × 89,934.25
  4. Step 4: Simplify right side
    200,742.25x = 27,090,896,825.53
  5. Step 5: Solve for x
    x = 27,090,896,825.53/200,742.25
  6. Step 6: Final answer
    x = 134,953.64

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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.