Home / 147,770.58-203,923.63-84,108.38

Finding the Fourth Proportional to 147,770.58, 203,923.63 and 84,108.38

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Solution

The fourth proportional to 147,770.58, 203,923.63 and 84,108.38 is: 116,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,770.58 : 203,923.63 = 84,108.38 : x
  2. Step 2: Convert to fraction form
    147,770.58/203,923.63 = 84,108.38/x
  3. Step 3: Cross multiply
    147,770.58x = 203,923.63 × 84,108.38
  4. Step 4: Simplify right side
    147,770.58x = 17,151,684,775.43
  5. Step 5: Solve for x
    x = 17,151,684,775.43/147,770.58
  6. Step 6: Final answer
    x = 116,069.69

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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.