Home / 190,934.40-286,707.60-151,816.80

Finding the Fourth Proportional to 190,934.40, 286,707.60 and 151,816.80

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Solution

The fourth proportional to 190,934.40, 286,707.60 and 151,816.80 is: 227,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,934.40 : 286,707.60 = 151,816.80 : x
  2. Step 2: Convert to fraction form
    190,934.40/286,707.60 = 151,816.80/x
  3. Step 3: Cross multiply
    190,934.40x = 286,707.60 × 151,816.80
  4. Step 4: Simplify right side
    190,934.40x = 43,527,030,367.68
  5. Step 5: Solve for x
    x = 43,527,030,367.68/190,934.40
  6. Step 6: Final answer
    x = 227,968.51

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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.