Home / 143,984.40-216,073.80-93,942.60

Finding the Fourth Proportional to 143,984.40, 216,073.80 and 93,942.60

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Solution

The fourth proportional to 143,984.40, 216,073.80 and 93,942.60 is: 140,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,984.40 : 216,073.80 = 93,942.60 : x
  2. Step 2: Convert to fraction form
    143,984.40/216,073.80 = 93,942.60/x
  3. Step 3: Cross multiply
    143,984.40x = 216,073.80 × 93,942.60
  4. Step 4: Simplify right side
    143,984.40x = 20,298,534,563.88
  5. Step 5: Solve for x
    x = 20,298,534,563.88/143,984.40
  6. Step 6: Final answer
    x = 140,977.32

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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.