Home / 158,563.18-218,886.96-111,003.22

Finding the Fourth Proportional to 158,563.18, 218,886.96 and 111,003.22

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Solution

The fourth proportional to 158,563.18, 218,886.96 and 111,003.22 is: 153,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,563.18 : 218,886.96 = 111,003.22 : x
  2. Step 2: Convert to fraction form
    158,563.18/218,886.96 = 111,003.22/x
  3. Step 3: Cross multiply
    158,563.18x = 218,886.96 × 111,003.22
  4. Step 4: Simplify right side
    158,563.18x = 24,297,157,376.01
  5. Step 5: Solve for x
    x = 24,297,157,376.01/158,563.18
  6. Step 6: Final answer
    x = 153,233.29

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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.