Home / 190,106.79-262,412.96-109,566.42

Finding the Fourth Proportional to 190,106.79, 262,412.96 and 109,566.42

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Solution

The fourth proportional to 190,106.79, 262,412.96 and 109,566.42 is: 151,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,106.79 : 262,412.96 = 109,566.42 : x
  2. Step 2: Convert to fraction form
    190,106.79/262,412.96 = 109,566.42/x
  3. Step 3: Cross multiply
    190,106.79x = 262,412.96 × 109,566.42
  4. Step 4: Simplify right side
    190,106.79x = 28,751,648,588.80
  5. Step 5: Solve for x
    x = 28,751,648,588.80/190,106.79
  6. Step 6: Final answer
    x = 151,239.46

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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.