Home / 190,653.34-262,992.29-118,908.81

Finding the Fourth Proportional to 190,653.34, 262,992.29 and 118,908.81

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Solution

The fourth proportional to 190,653.34, 262,992.29 and 118,908.81 is: 164,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,653.34 : 262,992.29 = 118,908.81 : x
  2. Step 2: Convert to fraction form
    190,653.34/262,992.29 = 118,908.81/x
  3. Step 3: Cross multiply
    190,653.34x = 262,992.29 × 118,908.81
  4. Step 4: Simplify right side
    190,653.34x = 31,272,098,928.11
  5. Step 5: Solve for x
    x = 31,272,098,928.11/190,653.34
  6. Step 6: Final answer
    x = 164,025.97

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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.