Home / 109,157.12-163,741.44-35,290.88

Finding the Fourth Proportional to 109,157.12, 163,741.44 and 35,290.88

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Solution

The fourth proportional to 109,157.12, 163,741.44 and 35,290.88 is: 52,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,157.12 : 163,741.44 = 35,290.88 : x
  2. Step 2: Convert to fraction form
    109,157.12/163,741.44 = 35,290.88/x
  3. Step 3: Cross multiply
    109,157.12x = 163,741.44 × 35,290.88
  4. Step 4: Simplify right side
    109,157.12x = 5,778,579,510.07
  5. Step 5: Solve for x
    x = 5,778,579,510.07/109,157.12
  6. Step 6: Final answer
    x = 52,938.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.