Home / 148,302.82-204,661.63-90,973.75

Finding the Fourth Proportional to 148,302.82, 204,661.63 and 90,973.75

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Solution

The fourth proportional to 148,302.82, 204,661.63 and 90,973.75 is: 125,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.82 : 204,661.63 = 90,973.75 : x
  2. Step 2: Convert to fraction form
    148,302.82/204,661.63 = 90,973.75/x
  3. Step 3: Cross multiply
    148,302.82x = 204,661.63 × 90,973.75
  4. Step 4: Simplify right side
    148,302.82x = 18,618,835,962.21
  5. Step 5: Solve for x
    x = 18,618,835,962.21/148,302.82
  6. Step 6: Final answer
    x = 125,546.07

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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.