Home / 190,182.33-262,509.93-109,663.47

Finding the Fourth Proportional to 190,182.33, 262,509.93 and 109,663.47

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Solution

The fourth proportional to 190,182.33, 262,509.93 and 109,663.47 is: 151,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182.33 : 262,509.93 = 109,663.47 : x
  2. Step 2: Convert to fraction form
    190,182.33/262,509.93 = 109,663.47/x
  3. Step 3: Cross multiply
    190,182.33x = 262,509.93 × 109,663.47
  4. Step 4: Simplify right side
    190,182.33x = 28,787,749,833.26
  5. Step 5: Solve for x
    x = 28,787,749,833.26/190,182.33
  6. Step 6: Final answer
    x = 151,369.21

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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.