Home / 190,425.89-285,839.84-186,136.63

Finding the Fourth Proportional to 190,425.89, 285,839.84 and 186,136.63

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Solution

The fourth proportional to 190,425.89, 285,839.84 and 186,136.63 is: 279,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,425.89 : 285,839.84 = 186,136.63 : x
  2. Step 2: Convert to fraction form
    190,425.89/285,839.84 = 186,136.63/x
  3. Step 3: Cross multiply
    190,425.89x = 285,839.84 × 186,136.63
  4. Step 4: Simplify right side
    190,425.89x = 53,205,264,848.91
  5. Step 5: Solve for x
    x = 53,205,264,848.91/190,425.89
  6. Step 6: Final answer
    x = 279,401.43

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1.5x scale

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.