Home / 357,837.39-493,809.93-196,688.97

Finding the Fourth Proportional to 357,837.39, 493,809.93 and 196,688.97

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Solution

The fourth proportional to 357,837.39, 493,809.93 and 196,688.97 is: 271,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,837.39 : 493,809.93 = 196,688.97 : x
  2. Step 2: Convert to fraction form
    357,837.39/493,809.93 = 196,688.97/x
  3. Step 3: Cross multiply
    357,837.39x = 493,809.93 × 196,688.97
  4. Step 4: Simplify right side
    357,837.39x = 97,126,966,507.47
  5. Step 5: Solve for x
    x = 97,126,966,507.47/357,837.39
  6. Step 6: Final answer
    x = 271,427.66

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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.