Home / 190,653.40-262,992.37-118,908.87

Finding the Fourth Proportional to 190,653.40, 262,992.37 and 118,908.87

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Solution

The fourth proportional to 190,653.40, 262,992.37 and 118,908.87 is: 164,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,653.40 : 262,992.37 = 118,908.87 : x
  2. Step 2: Convert to fraction form
    190,653.40/262,992.37 = 118,908.87/x
  3. Step 3: Cross multiply
    190,653.40x = 262,992.37 × 118,908.87
  4. Step 4: Simplify right side
    190,653.40x = 31,272,125,535.32
  5. Step 5: Solve for x
    x = 31,272,125,535.32/190,653.40
  6. Step 6: Final answer
    x = 164,026.06

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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.