Home / 150,835.14-208,163.64-93,485.72

Finding the Fourth Proportional to 150,835.14, 208,163.64 and 93,485.72

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Solution

The fourth proportional to 150,835.14, 208,163.64 and 93,485.72 is: 129,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,835.14 : 208,163.64 = 93,485.72 : x
  2. Step 2: Convert to fraction form
    150,835.14/208,163.64 = 93,485.72/x
  3. Step 3: Cross multiply
    150,835.14x = 208,163.64 × 93,485.72
  4. Step 4: Simplify right side
    150,835.14x = 19,460,327,763.22
  5. Step 5: Solve for x
    x = 19,460,327,763.22/150,835.14
  6. Step 6: Final answer
    x = 129,017.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.