Home / 158,163.40-237,168.30-87,968.20

Finding the Fourth Proportional to 158,163.40, 237,168.30 and 87,968.20

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Solution

The fourth proportional to 158,163.40, 237,168.30 and 87,968.20 is: 131,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,163.40 : 237,168.30 = 87,968.20 : x
  2. Step 2: Convert to fraction form
    158,163.40/237,168.30 = 87,968.20/x
  3. Step 3: Cross multiply
    158,163.40x = 237,168.30 × 87,968.20
  4. Step 4: Simplify right side
    158,163.40x = 20,863,268,448.06
  5. Step 5: Solve for x
    x = 20,863,268,448.06/158,163.40
  6. Step 6: Final answer
    x = 131,909.58

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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.