Home / 357,501.60-493,350.66-196,356.15

Finding the Fourth Proportional to 357,501.60, 493,350.66 and 196,356.15

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Solution

The fourth proportional to 357,501.60, 493,350.66 and 196,356.15 is: 270,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,501.60 : 493,350.66 = 196,356.15 : x
  2. Step 2: Convert to fraction form
    357,501.60/493,350.66 = 196,356.15/x
  3. Step 3: Cross multiply
    357,501.60x = 493,350.66 × 196,356.15
  4. Step 4: Simplify right side
    357,501.60x = 96,872,436,197.56
  5. Step 5: Solve for x
    x = 96,872,436,197.56/357,501.60
  6. Step 6: Final answer
    x = 270,970.64

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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.