Home / 147,376.73-203,383.19-86,962.07

Finding the Fourth Proportional to 147,376.73, 203,383.19 and 86,962.07

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Solution

The fourth proportional to 147,376.73, 203,383.19 and 86,962.07 is: 120,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,376.73 : 203,383.19 = 86,962.07 : x
  2. Step 2: Convert to fraction form
    147,376.73/203,383.19 = 86,962.07/x
  3. Step 3: Cross multiply
    147,376.73x = 203,383.19 × 86,962.07
  4. Step 4: Simplify right side
    147,376.73x = 17,686,622,770.79
  5. Step 5: Solve for x
    x = 17,686,622,770.79/147,376.73
  6. Step 6: Final answer
    x = 120,009.60

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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.