Home / 190,495.60-285,276.80-134,197.36

Finding the Fourth Proportional to 190,495.60, 285,276.80 and 134,197.36

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Solution

The fourth proportional to 190,495.60, 285,276.80 and 134,197.36 is: 200,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,495.60 : 285,276.80 = 134,197.36 : x
  2. Step 2: Convert to fraction form
    190,495.60/285,276.80 = 134,197.36/x
  3. Step 3: Cross multiply
    190,495.60x = 285,276.80 × 134,197.36
  4. Step 4: Simplify right side
    190,495.60x = 38,283,393,429.25
  5. Step 5: Solve for x
    x = 38,283,393,429.25/190,495.60
  6. Step 6: Final answer
    x = 200,967.34

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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.