Home / 357,106.20-492,782.45-195,971.58

Finding the Fourth Proportional to 357,106.20, 492,782.45 and 195,971.58

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Solution

The fourth proportional to 357,106.20, 492,782.45 and 195,971.58 is: 270,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,106.20 : 492,782.45 = 195,971.58 : x
  2. Step 2: Convert to fraction form
    357,106.20/492,782.45 = 195,971.58/x
  3. Step 3: Cross multiply
    357,106.20x = 492,782.45 × 195,971.58
  4. Step 4: Simplify right side
    357,106.20x = 96,571,354,342.91
  5. Step 5: Solve for x
    x = 96,571,354,342.91/357,106.20
  6. Step 6: Final answer
    x = 270,427.55

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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.