Home / 190,127.10-285,190.65-49,899.90

Finding the Fourth Proportional to 190,127.10, 285,190.65 and 49,899.90

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Solution

The fourth proportional to 190,127.10, 285,190.65 and 49,899.90 is: 74,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,127.10 : 285,190.65 = 49,899.90 : x
  2. Step 2: Convert to fraction form
    190,127.10/285,190.65 = 49,899.90/x
  3. Step 3: Cross multiply
    190,127.10x = 285,190.65 × 49,899.90
  4. Step 4: Simplify right side
    190,127.10x = 14,230,984,915.94
  5. Step 5: Solve for x
    x = 14,230,984,915.94/190,127.10
  6. Step 6: Final answer
    x = 74,849.85

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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.