Home / 179,728.96-248,024.36-99,157.20

Finding the Fourth Proportional to 179,728.96, 248,024.36 and 99,157.20

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Solution

The fourth proportional to 179,728.96, 248,024.36 and 99,157.20 is: 136,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,728.96 : 248,024.36 = 99,157.20 : x
  2. Step 2: Convert to fraction form
    179,728.96/248,024.36 = 99,157.20/x
  3. Step 3: Cross multiply
    179,728.96x = 248,024.36 × 99,157.20
  4. Step 4: Simplify right side
    179,728.96x = 24,593,401,069.39
  5. Step 5: Solve for x
    x = 24,593,401,069.39/179,728.96
  6. Step 6: Final answer
    x = 136,836.05

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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.