Home / 147,163.29-203,085.75-83,500.93

Finding the Fourth Proportional to 147,163.29, 203,085.75 and 83,500.93

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Solution

The fourth proportional to 147,163.29, 203,085.75 and 83,500.93 is: 115,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,163.29 : 203,085.75 = 83,500.93 : x
  2. Step 2: Convert to fraction form
    147,163.29/203,085.75 = 83,500.93/x
  3. Step 3: Cross multiply
    147,163.29x = 203,085.75 × 83,500.93
  4. Step 4: Simplify right side
    147,163.29x = 16,957,848,994.75
  5. Step 5: Solve for x
    x = 16,957,848,994.75/147,163.29
  6. Step 6: Final answer
    x = 115,231.52

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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.