Home / 458,026.47-686,839.23-187,969.41

Finding the Fourth Proportional to 458,026.47, 686,839.23 and 187,969.41

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Solution

The fourth proportional to 458,026.47, 686,839.23 and 187,969.41 is: 281,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,026.47 : 686,839.23 = 187,969.41 : x
  2. Step 2: Convert to fraction form
    458,026.47/686,839.23 = 187,969.41/x
  3. Step 3: Cross multiply
    458,026.47x = 686,839.23 × 187,969.41
  4. Step 4: Simplify right side
    458,026.47x = 129,104,764,827.95
  5. Step 5: Solve for x
    x = 129,104,764,827.95/458,026.47
  6. Step 6: Final answer
    x = 281,871.84

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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.