Home / 104,546.64-145,014.63-100,962.18

Finding the Fourth Proportional to 104,546.64, 145,014.63 and 100,962.18

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Solution

The fourth proportional to 104,546.64, 145,014.63 and 100,962.18 is: 140,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,546.64 : 145,014.63 = 100,962.18 : x
  2. Step 2: Convert to fraction form
    104,546.64/145,014.63 = 100,962.18/x
  3. Step 3: Cross multiply
    104,546.64x = 145,014.63 × 100,962.18
  4. Step 4: Simplify right side
    104,546.64x = 14,640,993,176.69
  5. Step 5: Solve for x
    x = 14,640,993,176.69/104,546.64
  6. Step 6: Final answer
    x = 140,042.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.