Home / 151,653.09-209,348.37-97,964.28

Finding the Fourth Proportional to 151,653.09, 209,348.37 and 97,964.28

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Solution

The fourth proportional to 151,653.09, 209,348.37 and 97,964.28 is: 135,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,653.09 : 209,348.37 = 97,964.28 : x
  2. Step 2: Convert to fraction form
    151,653.09/209,348.37 = 97,964.28/x
  3. Step 3: Cross multiply
    151,653.09x = 209,348.37 × 97,964.28
  4. Step 4: Simplify right side
    151,653.09x = 20,508,662,336.22
  5. Step 5: Solve for x
    x = 20,508,662,336.22/151,653.09
  6. Step 6: Final answer
    x = 135,234.06

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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.