Home / 183,383.57-253,081.49-102,816.31

Finding the Fourth Proportional to 183,383.57, 253,081.49 and 102,816.31

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Solution

The fourth proportional to 183,383.57, 253,081.49 and 102,816.31 is: 141,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,383.57 : 253,081.49 = 102,816.31 : x
  2. Step 2: Convert to fraction form
    183,383.57/253,081.49 = 102,816.31/x
  3. Step 3: Cross multiply
    183,383.57x = 253,081.49 × 102,816.31
  4. Step 4: Simplify right side
    183,383.57x = 26,020,903,665.69
  5. Step 5: Solve for x
    x = 26,020,903,665.69/183,383.57
  6. Step 6: Final answer
    x = 141,893.32

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1.5x scale

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.