Home / 151,552.36-209,137.68-83,569.30

Finding the Fourth Proportional to 151,552.36, 209,137.68 and 83,569.30

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Solution

The fourth proportional to 151,552.36, 209,137.68 and 83,569.30 is: 115,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,552.36 : 209,137.68 = 83,569.30 : x
  2. Step 2: Convert to fraction form
    151,552.36/209,137.68 = 83,569.30/x
  3. Step 3: Cross multiply
    151,552.36x = 209,137.68 × 83,569.30
  4. Step 4: Simplify right side
    151,552.36x = 17,477,489,521.22
  5. Step 5: Solve for x
    x = 17,477,489,521.22/151,552.36
  6. Step 6: Final answer
    x = 115,323.11

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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.