Home / 305,158.33-421,035.07-182,601.38

Finding the Fourth Proportional to 305,158.33, 421,035.07 and 182,601.38

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Solution

The fourth proportional to 305,158.33, 421,035.07 and 182,601.38 is: 251,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,158.33 : 421,035.07 = 182,601.38 : x
  2. Step 2: Convert to fraction form
    305,158.33/421,035.07 = 182,601.38/x
  3. Step 3: Cross multiply
    305,158.33x = 421,035.07 × 182,601.38
  4. Step 4: Simplify right side
    305,158.33x = 76,881,581,792.21
  5. Step 5: Solve for x
    x = 76,881,581,792.21/305,158.33
  6. Step 6: Final answer
    x = 251,939.98

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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.