Home / 357,867.79-493,858.13-196,723.86

Finding the Fourth Proportional to 357,867.79, 493,858.13 and 196,723.86

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Solution

The fourth proportional to 357,867.79, 493,858.13 and 196,723.86 is: 271,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,867.79 : 493,858.13 = 196,723.86 : x
  2. Step 2: Convert to fraction form
    357,867.79/493,858.13 = 196,723.86/x
  3. Step 3: Cross multiply
    357,867.79x = 493,858.13 × 196,723.86
  4. Step 4: Simplify right side
    357,867.79x = 97,153,677,625.98
  5. Step 5: Solve for x
    x = 97,153,677,625.98/357,867.79
  6. Step 6: Final answer
    x = 271,479.25

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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.