Home / 200,173.57-276,339.48-115,274.23

Finding the Fourth Proportional to 200,173.57, 276,339.48 and 115,274.23

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Solution

The fourth proportional to 200,173.57, 276,339.48 and 115,274.23 is: 159,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,173.57 : 276,339.48 = 115,274.23 : x
  2. Step 2: Convert to fraction form
    200,173.57/276,339.48 = 115,274.23/x
  3. Step 3: Cross multiply
    200,173.57x = 276,339.48 × 115,274.23
  4. Step 4: Simplify right side
    200,173.57x = 31,854,820,775.60
  5. Step 5: Solve for x
    x = 31,854,820,775.60/200,173.57
  6. Step 6: Final answer
    x = 159,136.00

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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.