Home / 190,926.40-286,389.60-123,566.80

Finding the Fourth Proportional to 190,926.40, 286,389.60 and 123,566.80

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Solution

The fourth proportional to 190,926.40, 286,389.60 and 123,566.80 is: 185,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,926.40 : 286,389.60 = 123,566.80 : x
  2. Step 2: Convert to fraction form
    190,926.40/286,389.60 = 123,566.80/x
  3. Step 3: Cross multiply
    190,926.40x = 286,389.60 × 123,566.80
  4. Step 4: Simplify right side
    190,926.40x = 35,388,246,425.28
  5. Step 5: Solve for x
    x = 35,388,246,425.28/190,926.40
  6. Step 6: Final answer
    x = 185,350.20

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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.