Home / 151,425.14-208,963.89-83,448.41

Finding the Fourth Proportional to 151,425.14, 208,963.89 and 83,448.41

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Solution

The fourth proportional to 151,425.14, 208,963.89 and 83,448.41 is: 115,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,425.14 : 208,963.89 = 83,448.41 : x
  2. Step 2: Convert to fraction form
    151,425.14/208,963.89 = 83,448.41/x
  3. Step 3: Cross multiply
    151,425.14x = 208,963.89 × 83,448.41
  4. Step 4: Simplify right side
    151,425.14x = 17,437,703,323.10
  5. Step 5: Solve for x
    x = 17,437,703,323.10/151,425.14
  6. Step 6: Final answer
    x = 115,157.26

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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.