Home / 151,110.63-208,533.06-83,134.53

Finding the Fourth Proportional to 151,110.63, 208,533.06 and 83,134.53

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Solution

The fourth proportional to 151,110.63, 208,533.06 and 83,134.53 is: 114,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,110.63 : 208,533.06 = 83,134.53 : x
  2. Step 2: Convert to fraction form
    151,110.63/208,533.06 = 83,134.53/x
  3. Step 3: Cross multiply
    151,110.63x = 208,533.06 × 83,134.53
  4. Step 4: Simplify right side
    151,110.63x = 17,336,297,932.56
  5. Step 5: Solve for x
    x = 17,336,297,932.56/151,110.63
  6. Step 6: Final answer
    x = 114,725.87

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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.