Home / 357,836.74-493,808.04-196,688.34

Finding the Fourth Proportional to 357,836.74, 493,808.04 and 196,688.34

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Solution

The fourth proportional to 357,836.74, 493,808.04 and 196,688.34 is: 271,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,836.74 : 493,808.04 = 196,688.34 : x
  2. Step 2: Convert to fraction form
    357,836.74/493,808.04 = 196,688.34/x
  3. Step 3: Cross multiply
    357,836.74x = 493,808.04 × 196,688.34
  4. Step 4: Simplify right side
    357,836.74x = 97,126,283,666.25
  5. Step 5: Solve for x
    x = 97,126,283,666.25/357,836.74
  6. Step 6: Final answer
    x = 271,426.25

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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.