Home / 147,715.39-203,844.63-84,051.82

Finding the Fourth Proportional to 147,715.39, 203,844.63 and 84,051.82

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Solution

The fourth proportional to 147,715.39, 203,844.63 and 84,051.82 is: 115,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,715.39 : 203,844.63 = 84,051.82 : x
  2. Step 2: Convert to fraction form
    147,715.39/203,844.63 = 84,051.82/x
  3. Step 3: Cross multiply
    147,715.39x = 203,844.63 × 84,051.82
  4. Step 4: Simplify right side
    147,715.39x = 17,133,512,148.73
  5. Step 5: Solve for x
    x = 17,133,512,148.73/147,715.39
  6. Step 6: Final answer
    x = 115,990.03

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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.