Home / 190,926.90-286,390.35-164,099.70

Finding the Fourth Proportional to 190,926.90, 286,390.35 and 164,099.70

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Solution

The fourth proportional to 190,926.90, 286,390.35 and 164,099.70 is: 246,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,926.90 : 286,390.35 = 164,099.70 : x
  2. Step 2: Convert to fraction form
    190,926.90/286,390.35 = 164,099.70/x
  3. Step 3: Cross multiply
    190,926.90x = 286,390.35 × 164,099.70
  4. Step 4: Simplify right side
    190,926.90x = 46,996,570,517.90
  5. Step 5: Solve for x
    x = 46,996,570,517.90/190,926.90
  6. Step 6: Final answer
    x = 246,149.55

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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.