Home / 200,384.05-276,551.64-127,789.32

Finding the Fourth Proportional to 200,384.05, 276,551.64 and 127,789.32

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Solution

The fourth proportional to 200,384.05, 276,551.64 and 127,789.32 is: 176,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,384.05 : 276,551.64 = 127,789.32 : x
  2. Step 2: Convert to fraction form
    200,384.05/276,551.64 = 127,789.32/x
  3. Step 3: Cross multiply
    200,384.05x = 276,551.64 × 127,789.32
  4. Step 4: Simplify right side
    200,384.05x = 35,340,346,020.48
  5. Step 5: Solve for x
    x = 35,340,346,020.48/200,384.05
  6. Step 6: Final answer
    x = 176,363.07

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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.