Home / 190,942.40-286,719.60-151,824.80

Finding the Fourth Proportional to 190,942.40, 286,719.60 and 151,824.80

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Solution

The fourth proportional to 190,942.40, 286,719.60 and 151,824.80 is: 227,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,942.40 : 286,719.60 = 151,824.80 : x
  2. Step 2: Convert to fraction form
    190,942.40/286,719.60 = 151,824.80/x
  3. Step 3: Cross multiply
    190,942.40x = 286,719.60 × 151,824.80
  4. Step 4: Simplify right side
    190,942.40x = 43,531,145,926.08
  5. Step 5: Solve for x
    x = 43,531,145,926.08/190,942.40
  6. Step 6: Final answer
    x = 227,980.51

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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.