Home / 357,621.12-493,525.85-196,486.61

Finding the Fourth Proportional to 357,621.12, 493,525.85 and 196,486.61

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Solution

The fourth proportional to 357,621.12, 493,525.85 and 196,486.61 is: 271,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,621.12 : 493,525.85 = 196,486.61 : x
  2. Step 2: Convert to fraction form
    357,621.12/493,525.85 = 196,486.61/x
  3. Step 3: Cross multiply
    357,621.12x = 493,525.85 × 196,486.61
  4. Step 4: Simplify right side
    357,621.12x = 96,971,217,763.81
  5. Step 5: Solve for x
    x = 96,971,217,763.81/357,621.12
  6. Step 6: Final answer
    x = 271,156.29

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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.