Home / 190,669.40-263,247.02-118,149.24

Finding the Fourth Proportional to 190,669.40, 263,247.02 and 118,149.24

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Solution

The fourth proportional to 190,669.40, 263,247.02 and 118,149.24 is: 163,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.40 : 263,247.02 = 118,149.24 : x
  2. Step 2: Convert to fraction form
    190,669.40/263,247.02 = 118,149.24/x
  3. Step 3: Cross multiply
    190,669.40x = 263,247.02 × 118,149.24
  4. Step 4: Simplify right side
    190,669.40x = 31,102,435,345.26
  5. Step 5: Solve for x
    x = 31,102,435,345.26/190,669.40
  6. Step 6: Final answer
    x = 163,122.33

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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.