Home / 146,113.49-201,634.63-81,583.72

Finding the Fourth Proportional to 146,113.49, 201,634.63 and 81,583.72

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Solution

The fourth proportional to 146,113.49, 201,634.63 and 81,583.72 is: 112,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,113.49 : 201,634.63 = 81,583.72 : x
  2. Step 2: Convert to fraction form
    146,113.49/201,634.63 = 81,583.72/x
  3. Step 3: Cross multiply
    146,113.49x = 201,634.63 × 81,583.72
  4. Step 4: Simplify right side
    146,113.49x = 16,450,104,081.28
  5. Step 5: Solve for x
    x = 16,450,104,081.28/146,113.49
  6. Step 6: Final answer
    x = 112,584.43

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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.