Home / 151,384.33-208,926.80-83,408.28

Finding the Fourth Proportional to 151,384.33, 208,926.80 and 83,408.28

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Solution

The fourth proportional to 151,384.33, 208,926.80 and 83,408.28 is: 115,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,384.33 : 208,926.80 = 83,408.28 : x
  2. Step 2: Convert to fraction form
    151,384.33/208,926.80 = 83,408.28/x
  3. Step 3: Cross multiply
    151,384.33x = 208,926.80 × 83,408.28
  4. Step 4: Simplify right side
    151,384.33x = 17,426,225,033.90
  5. Step 5: Solve for x
    x = 17,426,225,033.90/151,384.33
  6. Step 6: Final answer
    x = 115,112.48

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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.