Home / 161,996.32-223,559.34-101,561.28

Finding the Fourth Proportional to 161,996.32, 223,559.34 and 101,561.28

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Solution

The fourth proportional to 161,996.32, 223,559.34 and 101,561.28 is: 140,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,996.32 : 223,559.34 = 101,561.28 : x
  2. Step 2: Convert to fraction form
    161,996.32/223,559.34 = 101,561.28/x
  3. Step 3: Cross multiply
    161,996.32x = 223,559.34 × 101,561.28
  4. Step 4: Simplify right side
    161,996.32x = 22,704,972,726.36
  5. Step 5: Solve for x
    x = 22,704,972,726.36/161,996.32
  6. Step 6: Final answer
    x = 140,157.34

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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.