Home / 200,266.56-276,436.98-115,417.44

Finding the Fourth Proportional to 200,266.56, 276,436.98 and 115,417.44

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Solution

The fourth proportional to 200,266.56, 276,436.98 and 115,417.44 is: 159,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,266.56 : 276,436.98 = 115,417.44 : x
  2. Step 2: Convert to fraction form
    200,266.56/276,436.98 = 115,417.44/x
  3. Step 3: Cross multiply
    200,266.56x = 276,436.98 × 115,417.44
  4. Step 4: Simplify right side
    200,266.56x = 31,905,648,552.93
  5. Step 5: Solve for x
    x = 31,905,648,552.93/200,266.56
  6. Step 6: Final answer
    x = 159,315.91

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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.