Home / 190,657.90-262,998.58-118,913.36

Finding the Fourth Proportional to 190,657.90, 262,998.58 and 118,913.36

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Solution

The fourth proportional to 190,657.90, 262,998.58 and 118,913.36 is: 164,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,657.90 : 262,998.58 = 118,913.36 : x
  2. Step 2: Convert to fraction form
    190,657.90/262,998.58 = 118,913.36/x
  3. Step 3: Cross multiply
    190,657.90x = 262,998.58 × 118,913.36
  4. Step 4: Simplify right side
    190,657.90x = 31,274,044,823.03
  5. Step 5: Solve for x
    x = 31,274,044,823.03/190,657.90
  6. Step 6: Final answer
    x = 164,032.25

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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.