Home / 114,316.20-171,352.80-55,113.30

Finding the Fourth Proportional to 114,316.20, 171,352.80 and 55,113.30

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Solution

The fourth proportional to 114,316.20, 171,352.80 and 55,113.30 is: 82,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,316.20 : 171,352.80 = 55,113.30 : x
  2. Step 2: Convert to fraction form
    114,316.20/171,352.80 = 55,113.30/x
  3. Step 3: Cross multiply
    114,316.20x = 171,352.80 × 55,113.30
  4. Step 4: Simplify right side
    114,316.20x = 9,443,818,272.24
  5. Step 5: Solve for x
    x = 9,443,818,272.24/114,316.20
  6. Step 6: Final answer
    x = 82,611.37

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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.