Home / 357,926.07-493,938.30-196,783.86

Finding the Fourth Proportional to 357,926.07, 493,938.30 and 196,783.86

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Solution

The fourth proportional to 357,926.07, 493,938.30 and 196,783.86 is: 271,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,926.07 : 493,938.30 = 196,783.86 : x
  2. Step 2: Convert to fraction form
    357,926.07/493,938.30 = 196,783.86/x
  3. Step 3: Cross multiply
    357,926.07x = 493,938.30 × 196,783.86
  4. Step 4: Simplify right side
    357,926.07x = 97,199,085,275.84
  5. Step 5: Solve for x
    x = 97,199,085,275.84/357,926.07
  6. Step 6: Final answer
    x = 271,561.90

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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.