Home / 190,392.59-262,657.22-122,396.94

Finding the Fourth Proportional to 190,392.59, 262,657.22 and 122,396.94

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Solution

The fourth proportional to 190,392.59, 262,657.22 and 122,396.94 is: 168,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,392.59 : 262,657.22 = 122,396.94 : x
  2. Step 2: Convert to fraction form
    190,392.59/262,657.22 = 122,396.94/x
  3. Step 3: Cross multiply
    190,392.59x = 262,657.22 × 122,396.94
  4. Step 4: Simplify right side
    190,392.59x = 32,148,439,996.91
  5. Step 5: Solve for x
    x = 32,148,439,996.91/190,392.59
  6. Step 6: Final answer
    x = 168,853.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.