Home / 357,961.77-493,989.09-196,827.19

Finding the Fourth Proportional to 357,961.77, 493,989.09 and 196,827.19

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Solution

The fourth proportional to 357,961.77, 493,989.09 and 196,827.19 is: 271,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,961.77 : 493,989.09 = 196,827.19 : x
  2. Step 2: Convert to fraction form
    357,961.77/493,989.09 = 196,827.19/x
  3. Step 3: Cross multiply
    357,961.77x = 493,989.09 × 196,827.19
  4. Step 4: Simplify right side
    357,961.77x = 97,230,487,359.58
  5. Step 5: Solve for x
    x = 97,230,487,359.58/357,961.77
  6. Step 6: Final answer
    x = 271,622.55

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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.