Home / 190,123.20-262,877.40-166,503.60

Finding the Fourth Proportional to 190,123.20, 262,877.40 and 166,503.60

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Solution

The fourth proportional to 190,123.20, 262,877.40 and 166,503.60 is: 230,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,123.20 : 262,877.40 = 166,503.60 : x
  2. Step 2: Convert to fraction form
    190,123.20/262,877.40 = 166,503.60/x
  3. Step 3: Cross multiply
    190,123.20x = 262,877.40 × 166,503.60
  4. Step 4: Simplify right side
    190,123.20x = 43,770,033,458.64
  5. Step 5: Solve for x
    x = 43,770,033,458.64/190,123.20
  6. Step 6: Final answer
    x = 230,219.32

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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.