Home / 150,764.32-208,058.75-82,785.70

Finding the Fourth Proportional to 150,764.32, 208,058.75 and 82,785.70

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Solution

The fourth proportional to 150,764.32, 208,058.75 and 82,785.70 is: 114,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,764.32 : 208,058.75 = 82,785.70 : x
  2. Step 2: Convert to fraction form
    150,764.32/208,058.75 = 82,785.70/x
  3. Step 3: Cross multiply
    150,764.32x = 208,058.75 × 82,785.70
  4. Step 4: Simplify right side
    150,764.32x = 17,224,289,259.88
  5. Step 5: Solve for x
    x = 17,224,289,259.88/150,764.32
  6. Step 6: Final answer
    x = 114,246.46

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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.