Home / 142,446.02-213,606.68-67,587.54

Finding the Fourth Proportional to 142,446.02, 213,606.68 and 67,587.54

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Solution

The fourth proportional to 142,446.02, 213,606.68 and 67,587.54 is: 101,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,446.02 : 213,606.68 = 67,587.54 : x
  2. Step 2: Convert to fraction form
    142,446.02/213,606.68 = 67,587.54/x
  3. Step 3: Cross multiply
    142,446.02x = 213,606.68 × 67,587.54
  4. Step 4: Simplify right side
    142,446.02x = 14,437,150,028.77
  5. Step 5: Solve for x
    x = 14,437,150,028.77/142,446.02
  6. Step 6: Final answer
    x = 101,351.73

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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.