Home / 143,330.80-197,741.36-92,339.68

Finding the Fourth Proportional to 143,330.80, 197,741.36 and 92,339.68

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Solution

The fourth proportional to 143,330.80, 197,741.36 and 92,339.68 is: 127,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,330.80 : 197,741.36 = 92,339.68 : x
  2. Step 2: Convert to fraction form
    143,330.80/197,741.36 = 92,339.68/x
  3. Step 3: Cross multiply
    143,330.80x = 197,741.36 × 92,339.68
  4. Step 4: Simplify right side
    143,330.80x = 18,259,373,905.16
  5. Step 5: Solve for x
    x = 18,259,373,905.16/143,330.80
  6. Step 6: Final answer
    x = 127,393.23

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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.