Home / 200,048.10-276,092.49-115,168.74

Finding the Fourth Proportional to 200,048.10, 276,092.49 and 115,168.74

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Solution

The fourth proportional to 200,048.10, 276,092.49 and 115,168.74 is: 158,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,048.10 : 276,092.49 = 115,168.74 : x
  2. Step 2: Convert to fraction form
    200,048.10/276,092.49 = 115,168.74/x
  3. Step 3: Cross multiply
    200,048.10x = 276,092.49 × 115,168.74
  4. Step 4: Simplify right side
    200,048.10x = 31,797,224,196.76
  5. Step 5: Solve for x
    x = 31,797,224,196.76/200,048.10
  6. Step 6: Final answer
    x = 158,947.89

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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.