Home / 429,097.05-642,860.64-200,973.81

Finding the Fourth Proportional to 429,097.05, 642,860.64 and 200,973.81

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Solution

The fourth proportional to 429,097.05, 642,860.64 and 200,973.81 is: 301,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,097.05 : 642,860.64 = 200,973.81 : x
  2. Step 2: Convert to fraction form
    429,097.05/642,860.64 = 200,973.81/x
  3. Step 3: Cross multiply
    429,097.05x = 642,860.64 × 200,973.81
  4. Step 4: Simplify right side
    429,097.05x = 129,198,152,119.84
  5. Step 5: Solve for x
    x = 129,198,152,119.84/429,097.05
  6. Step 6: Final answer
    x = 301,093.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.