Home / 190,397.81-262,775.21-109,823.58

Finding the Fourth Proportional to 190,397.81, 262,775.21 and 109,823.58

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Solution

The fourth proportional to 190,397.81, 262,775.21 and 109,823.58 is: 151,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,397.81 : 262,775.21 = 109,823.58 : x
  2. Step 2: Convert to fraction form
    190,397.81/262,775.21 = 109,823.58/x
  3. Step 3: Cross multiply
    190,397.81x = 262,775.21 × 109,823.58
  4. Step 4: Simplify right side
    190,397.81x = 28,858,913,748.33
  5. Step 5: Solve for x
    x = 28,858,913,748.33/190,397.81
  6. Step 6: Final answer
    x = 151,571.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.