Home / 147,041.21-220,540.94-47,188.46

Finding the Fourth Proportional to 147,041.21, 220,540.94 and 47,188.46

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Solution

The fourth proportional to 147,041.21, 220,540.94 and 47,188.46 is: 70,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,041.21 : 220,540.94 = 47,188.46 : x
  2. Step 2: Convert to fraction form
    147,041.21/220,540.94 = 47,188.46/x
  3. Step 3: Cross multiply
    147,041.21x = 220,540.94 × 47,188.46
  4. Step 4: Simplify right side
    147,041.21x = 10,406,987,325.55
  5. Step 5: Solve for x
    x = 10,406,987,325.55/147,041.21
  6. Step 6: Final answer
    x = 70,775.99

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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.