Home / 190,493.42-285,681.78-131,706.86

Finding the Fourth Proportional to 190,493.42, 285,681.78 and 131,706.86

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Solution

The fourth proportional to 190,493.42, 285,681.78 and 131,706.86 is: 197,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,493.42 : 285,681.78 = 131,706.86 : x
  2. Step 2: Convert to fraction form
    190,493.42/285,681.78 = 131,706.86/x
  3. Step 3: Cross multiply
    190,493.42x = 285,681.78 × 131,706.86
  4. Step 4: Simplify right side
    190,493.42x = 37,626,248,774.60
  5. Step 5: Solve for x
    x = 37,626,248,774.60/190,493.42
  6. Step 6: Final answer
    x = 197,519.94

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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.