Home / 143,315.40-197,830.37-95,551.32

Finding the Fourth Proportional to 143,315.40, 197,830.37 and 95,551.32

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Solution

The fourth proportional to 143,315.40, 197,830.37 and 95,551.32 is: 131,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,315.40 : 197,830.37 = 95,551.32 : x
  2. Step 2: Convert to fraction form
    143,315.40/197,830.37 = 95,551.32/x
  3. Step 3: Cross multiply
    143,315.40x = 197,830.37 × 95,551.32
  4. Step 4: Simplify right side
    143,315.40x = 18,902,952,989.59
  5. Step 5: Solve for x
    x = 18,902,952,989.59/143,315.40
  6. Step 6: Final answer
    x = 131,897.57

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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.