Home / 151,072.68-208,485.36-83,092.50

Finding the Fourth Proportional to 151,072.68, 208,485.36 and 83,092.50

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Solution

The fourth proportional to 151,072.68, 208,485.36 and 83,092.50 is: 114,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,072.68 : 208,485.36 = 83,092.50 : x
  2. Step 2: Convert to fraction form
    151,072.68/208,485.36 = 83,092.50/x
  3. Step 3: Cross multiply
    151,072.68x = 208,485.36 × 83,092.50
  4. Step 4: Simplify right side
    151,072.68x = 17,323,569,775.80
  5. Step 5: Solve for x
    x = 17,323,569,775.80/151,072.68
  6. Step 6: Final answer
    x = 114,670.43

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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.