Home / 370,738.96-555,734.50-146,012.56

Finding the Fourth Proportional to 370,738.96, 555,734.50 and 146,012.56

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Solution

The fourth proportional to 370,738.96, 555,734.50 and 146,012.56 is: 218,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,738.96 : 555,734.50 = 146,012.56 : x
  2. Step 2: Convert to fraction form
    370,738.96/555,734.50 = 146,012.56/x
  3. Step 3: Cross multiply
    370,738.96x = 555,734.50 × 146,012.56
  4. Step 4: Simplify right side
    370,738.96x = 81,144,217,025.32
  5. Step 5: Solve for x
    x = 81,144,217,025.32/370,738.96
  6. Step 6: Final answer
    x = 218,871.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.