Home / 104,448.33-143,999.51-83,009.66

Finding the Fourth Proportional to 104,448.33, 143,999.51 and 83,009.66

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Solution

The fourth proportional to 104,448.33, 143,999.51 and 83,009.66 is: 114,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,448.33 : 143,999.51 = 83,009.66 : x
  2. Step 2: Convert to fraction form
    104,448.33/143,999.51 = 83,009.66/x
  3. Step 3: Cross multiply
    104,448.33x = 143,999.51 × 83,009.66
  4. Step 4: Simplify right side
    104,448.33x = 11,953,349,230.22
  5. Step 5: Solve for x
    x = 11,953,349,230.22/104,448.33
  6. Step 6: Final answer
    x = 114,442.70

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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.