Home / 190,423.05-262,664.31-122,528.25

Finding the Fourth Proportional to 190,423.05, 262,664.31 and 122,528.25

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Solution

The fourth proportional to 190,423.05, 262,664.31 and 122,528.25 is: 169,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,423.05 : 262,664.31 = 122,528.25 : x
  2. Step 2: Convert to fraction form
    190,423.05/262,664.31 = 122,528.25/x
  3. Step 3: Cross multiply
    190,423.05x = 262,664.31 × 122,528.25
  4. Step 4: Simplify right side
    190,423.05x = 32,183,798,241.76
  5. Step 5: Solve for x
    x = 32,183,798,241.76/190,423.05
  6. Step 6: Final answer
    x = 169,012.09

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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.