Home / 151,835.36-209,534.47-83,852.22

Finding the Fourth Proportional to 151,835.36, 209,534.47 and 83,852.22

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Solution

The fourth proportional to 151,835.36, 209,534.47 and 83,852.22 is: 115,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,835.36 : 209,534.47 = 83,852.22 : x
  2. Step 2: Convert to fraction form
    151,835.36/209,534.47 = 83,852.22/x
  3. Step 3: Cross multiply
    151,835.36x = 209,534.47 × 83,852.22
  4. Step 4: Simplify right side
    151,835.36x = 17,569,930,476.02
  5. Step 5: Solve for x
    x = 17,569,930,476.02/151,835.36
  6. Step 6: Final answer
    x = 115,716.99

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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.