Home / 313,146.96-432,140.32-177,179.76

Finding the Fourth Proportional to 313,146.96, 432,140.32 and 177,179.76

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Solution

The fourth proportional to 313,146.96, 432,140.32 and 177,179.76 is: 244,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,146.96 : 432,140.32 = 177,179.76 : x
  2. Step 2: Convert to fraction form
    313,146.96/432,140.32 = 177,179.76/x
  3. Step 3: Cross multiply
    313,146.96x = 432,140.32 × 177,179.76
  4. Step 4: Simplify right side
    313,146.96x = 76,566,518,183.92
  5. Step 5: Solve for x
    x = 76,566,518,183.92/313,146.96
  6. Step 6: Final answer
    x = 244,506.66

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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.