Home / 106,571.56-147,042.98-68,313.64

Finding the Fourth Proportional to 106,571.56, 147,042.98 and 68,313.64

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Solution

The fourth proportional to 106,571.56, 147,042.98 and 68,313.64 is: 94,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,571.56 : 147,042.98 = 68,313.64 : x
  2. Step 2: Convert to fraction form
    106,571.56/147,042.98 = 68,313.64/x
  3. Step 3: Cross multiply
    106,571.56x = 147,042.98 × 68,313.64
  4. Step 4: Simplify right side
    106,571.56x = 10,045,041,200.25
  5. Step 5: Solve for x
    x = 10,045,041,200.25/106,571.56
  6. Step 6: Final answer
    x = 94,256.30

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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.