Home / 313,564.08-432,552.52-198,639.96

Finding the Fourth Proportional to 313,564.08, 432,552.52 and 198,639.96

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Solution

The fourth proportional to 313,564.08, 432,552.52 and 198,639.96 is: 274,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,564.08 : 432,552.52 = 198,639.96 : x
  2. Step 2: Convert to fraction form
    313,564.08/432,552.52 = 198,639.96/x
  3. Step 3: Cross multiply
    313,564.08x = 432,552.52 × 198,639.96
  4. Step 4: Simplify right side
    313,564.08x = 85,922,215,270.70
  5. Step 5: Solve for x
    x = 85,922,215,270.70/313,564.08
  6. Step 6: Final answer
    x = 274,018.04

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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.