Home / 190,485.60-285,261.84-134,187.36

Finding the Fourth Proportional to 190,485.60, 285,261.84 and 134,187.36

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Solution

The fourth proportional to 190,485.60, 285,261.84 and 134,187.36 is: 200,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,485.60 : 285,261.84 = 134,187.36 : x
  2. Step 2: Convert to fraction form
    190,485.60/285,261.84 = 134,187.36/x
  3. Step 3: Cross multiply
    190,485.60x = 285,261.84 × 134,187.36
  4. Step 4: Simplify right side
    190,485.60x = 38,278,533,218.34
  5. Step 5: Solve for x
    x = 38,278,533,218.34/190,485.60
  6. Step 6: Final answer
    x = 200,952.37

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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.