Home / 151,569.30-209,166.66-83,588.70

Finding the Fourth Proportional to 151,569.30, 209,166.66 and 83,588.70

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Solution

The fourth proportional to 151,569.30, 209,166.66 and 83,588.70 is: 115,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,569.30 : 209,166.66 = 83,588.70 : x
  2. Step 2: Convert to fraction form
    151,569.30/209,166.66 = 83,588.70/x
  3. Step 3: Cross multiply
    151,569.30x = 209,166.66 × 83,588.70
  4. Step 4: Simplify right side
    151,569.30x = 17,483,969,192.74
  5. Step 5: Solve for x
    x = 17,483,969,192.74/151,569.30
  6. Step 6: Final answer
    x = 115,352.97

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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.