Home / 183,703.30-253,493.05-103,112.35

Finding the Fourth Proportional to 183,703.30, 253,493.05 and 103,112.35

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Solution

The fourth proportional to 183,703.30, 253,493.05 and 103,112.35 is: 142,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,703.30 : 253,493.05 = 103,112.35 : x
  2. Step 2: Convert to fraction form
    183,703.30/253,493.05 = 103,112.35/x
  3. Step 3: Cross multiply
    183,703.30x = 253,493.05 × 103,112.35
  4. Step 4: Simplify right side
    183,703.30x = 26,138,263,202.65
  5. Step 5: Solve for x
    x = 26,138,263,202.65/183,703.30
  6. Step 6: Final answer
    x = 142,285.22

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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.