Home / 148,904.28-205,404.75-91,503.77

Finding the Fourth Proportional to 148,904.28, 205,404.75 and 91,503.77

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Solution

The fourth proportional to 148,904.28, 205,404.75 and 91,503.77 is: 126,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,904.28 : 205,404.75 = 91,503.77 : x
  2. Step 2: Convert to fraction form
    148,904.28/205,404.75 = 91,503.77/x
  3. Step 3: Cross multiply
    148,904.28x = 205,404.75 × 91,503.77
  4. Step 4: Simplify right side
    148,904.28x = 18,795,307,973.88
  5. Step 5: Solve for x
    x = 18,795,307,973.88/148,904.28
  6. Step 6: Final answer
    x = 126,224.09

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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.