Home / 190,650.40-262,988.24-118,905.87

Finding the Fourth Proportional to 190,650.40, 262,988.24 and 118,905.87

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Solution

The fourth proportional to 190,650.40, 262,988.24 and 118,905.87 is: 164,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,650.40 : 262,988.24 = 118,905.87 : x
  2. Step 2: Convert to fraction form
    190,650.40/262,988.24 = 118,905.87/x
  3. Step 3: Cross multiply
    190,650.40x = 262,988.24 × 118,905.87
  4. Step 4: Simplify right side
    190,650.40x = 31,270,844,459.29
  5. Step 5: Solve for x
    x = 31,270,844,459.29/190,650.40
  6. Step 6: Final answer
    x = 164,021.92

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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.