Home / 150,761.19-208,053.18-82,784.58

Finding the Fourth Proportional to 150,761.19, 208,053.18 and 82,784.58

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Solution

The fourth proportional to 150,761.19, 208,053.18 and 82,784.58 is: 114,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,761.19 : 208,053.18 = 82,784.58 : x
  2. Step 2: Convert to fraction form
    150,761.19/208,053.18 = 82,784.58/x
  3. Step 3: Cross multiply
    150,761.19x = 208,053.18 × 82,784.58
  4. Step 4: Simplify right side
    150,761.19x = 17,223,595,123.96
  5. Step 5: Solve for x
    x = 17,223,595,123.96/150,761.19
  6. Step 6: Final answer
    x = 114,244.22

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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.