Home / 200,125.73-276,255.68-135,683.24

Finding the Fourth Proportional to 200,125.73, 276,255.68 and 135,683.24

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Solution

The fourth proportional to 200,125.73, 276,255.68 and 135,683.24 is: 187,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,125.73 : 276,255.68 = 135,683.24 : x
  2. Step 2: Convert to fraction form
    200,125.73/276,255.68 = 135,683.24/x
  3. Step 3: Cross multiply
    200,125.73x = 276,255.68 × 135,683.24
  4. Step 4: Simplify right side
    200,125.73x = 37,483,263,671.11
  5. Step 5: Solve for x
    x = 37,483,263,671.11/200,125.73
  6. Step 6: Final answer
    x = 187,298.58

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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.