Home / 190,143.56-285,193.74-49,913.12

Finding the Fourth Proportional to 190,143.56, 285,193.74 and 49,913.12

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Solution

The fourth proportional to 190,143.56, 285,193.74 and 49,913.12 is: 74,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.56 : 285,193.74 = 49,913.12 : x
  2. Step 2: Convert to fraction form
    190,143.56/285,193.74 = 49,913.12/x
  3. Step 3: Cross multiply
    190,143.56x = 285,193.74 × 49,913.12
  4. Step 4: Simplify right side
    190,143.56x = 14,234,909,367.87
  5. Step 5: Solve for x
    x = 14,234,909,367.87/190,143.56
  6. Step 6: Final answer
    x = 74,864.01

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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.