Home / 118,170.88-163,076.32-64,457.05

Finding the Fourth Proportional to 118,170.88, 163,076.32 and 64,457.05

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Solution

The fourth proportional to 118,170.88, 163,076.32 and 64,457.05 is: 88,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.88 : 163,076.32 = 64,457.05 : x
  2. Step 2: Convert to fraction form
    118,170.88/163,076.32 = 64,457.05/x
  3. Step 3: Cross multiply
    118,170.88x = 163,076.32 × 64,457.05
  4. Step 4: Simplify right side
    118,170.88x = 10,511,418,512.06
  5. Step 5: Solve for x
    x = 10,511,418,512.06/118,170.88
  6. Step 6: Final answer
    x = 88,951.00

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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.