Home / 190,145.56-285,196.74-49,915.12

Finding the Fourth Proportional to 190,145.56, 285,196.74 and 49,915.12

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Solution

The fourth proportional to 190,145.56, 285,196.74 and 49,915.12 is: 74,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,145.56 : 285,196.74 = 49,915.12 : x
  2. Step 2: Convert to fraction form
    190,145.56/285,196.74 = 49,915.12/x
  3. Step 3: Cross multiply
    190,145.56x = 285,196.74 × 49,915.12
  4. Step 4: Simplify right side
    190,145.56x = 14,235,629,500.71
  5. Step 5: Solve for x
    x = 14,235,629,500.71/190,145.56
  6. Step 6: Final answer
    x = 74,867.01

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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.