Home / 200,583.35-276,768.73-128,946.95

Finding the Fourth Proportional to 200,583.35, 276,768.73 and 128,946.95

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Solution

The fourth proportional to 200,583.35, 276,768.73 and 128,946.95 is: 177,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,583.35 : 276,768.73 = 128,946.95 : x
  2. Step 2: Convert to fraction form
    200,583.35/276,768.73 = 128,946.95/x
  3. Step 3: Cross multiply
    200,583.35x = 276,768.73 × 128,946.95
  4. Step 4: Simplify right side
    200,583.35x = 35,688,483,588.87
  5. Step 5: Solve for x
    x = 35,688,483,588.87/200,583.35
  6. Step 6: Final answer
    x = 177,923.46

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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.