Home / 190,465.26-262,824.39-105,575.10

Finding the Fourth Proportional to 190,465.26, 262,824.39 and 105,575.10

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Solution

The fourth proportional to 190,465.26, 262,824.39 and 105,575.10 is: 145,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,465.26 : 262,824.39 = 105,575.10 : x
  2. Step 2: Convert to fraction form
    190,465.26/262,824.39 = 105,575.10/x
  3. Step 3: Cross multiply
    190,465.26x = 262,824.39 × 105,575.10
  4. Step 4: Simplify right side
    190,465.26x = 27,747,711,256.69
  5. Step 5: Solve for x
    x = 27,747,711,256.69/190,465.26
  6. Step 6: Final answer
    x = 145,683.84

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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.