Home / 305,044.95-420,900.39-184,191.33

Finding the Fourth Proportional to 305,044.95, 420,900.39 and 184,191.33

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Solution

The fourth proportional to 305,044.95, 420,900.39 and 184,191.33 is: 254,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,044.95 : 420,900.39 = 184,191.33 : x
  2. Step 2: Convert to fraction form
    305,044.95/420,900.39 = 184,191.33/x
  3. Step 3: Cross multiply
    305,044.95x = 420,900.39 × 184,191.33
  4. Step 4: Simplify right side
    305,044.95x = 77,526,202,631.62
  5. Step 5: Solve for x
    x = 77,526,202,631.62/305,044.95
  6. Step 6: Final answer
    x = 254,146.82

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1.5x scale

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.