Home / 357,820.14-493,766.91-196,671.18

Finding the Fourth Proportional to 357,820.14, 493,766.91 and 196,671.18

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Solution

The fourth proportional to 357,820.14, 493,766.91 and 196,671.18 is: 271,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,820.14 : 493,766.91 = 196,671.18 : x
  2. Step 2: Convert to fraction form
    357,820.14/493,766.91 = 196,671.18/x
  3. Step 3: Cross multiply
    357,820.14x = 493,766.91 × 196,671.18
  4. Step 4: Simplify right side
    357,820.14x = 97,109,720,834.65
  5. Step 5: Solve for x
    x = 97,109,720,834.65/357,820.14
  6. Step 6: Final answer
    x = 271,392.55

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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.