Home / 150,884.54-208,219.95-82,905.71

Finding the Fourth Proportional to 150,884.54, 208,219.95 and 82,905.71

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Solution

The fourth proportional to 150,884.54, 208,219.95 and 82,905.71 is: 114,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,884.54 : 208,219.95 = 82,905.71 : x
  2. Step 2: Convert to fraction form
    150,884.54/208,219.95 = 82,905.71/x
  3. Step 3: Cross multiply
    150,884.54x = 208,219.95 × 82,905.71
  4. Step 4: Simplify right side
    150,884.54x = 17,262,621,749.81
  5. Step 5: Solve for x
    x = 17,262,621,749.81/150,884.54
  6. Step 6: Final answer
    x = 114,409.48

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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.