Home / 149,838.84-206,636.70-111,682.98

Finding the Fourth Proportional to 149,838.84, 206,636.70 and 111,682.98

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Solution

The fourth proportional to 149,838.84, 206,636.70 and 111,682.98 is: 154,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,838.84 : 206,636.70 = 111,682.98 : x
  2. Step 2: Convert to fraction form
    149,838.84/206,636.70 = 111,682.98/x
  3. Step 3: Cross multiply
    149,838.84x = 206,636.70 × 111,682.98
  4. Step 4: Simplify right side
    149,838.84x = 23,077,802,433.37
  5. Step 5: Solve for x
    x = 23,077,802,433.37/149,838.84
  6. Step 6: Final answer
    x = 154,017.49

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1.5x scale

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.