Home / 143,140.11-214,710.20-37,967.31

Finding the Fourth Proportional to 143,140.11, 214,710.20 and 37,967.31

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Solution

The fourth proportional to 143,140.11, 214,710.20 and 37,967.31 is: 56,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140.11 : 214,710.20 = 37,967.31 : x
  2. Step 2: Convert to fraction form
    143,140.11/214,710.20 = 37,967.31/x
  3. Step 3: Cross multiply
    143,140.11x = 214,710.20 × 37,967.31
  4. Step 4: Simplify right side
    143,140.11x = 8,151,968,533.73
  5. Step 5: Solve for x
    x = 8,151,968,533.73/143,140.11
  6. Step 6: Final answer
    x = 56,950.97

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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.