Home / 151,895.49-209,614.93-83,917.14

Finding the Fourth Proportional to 151,895.49, 209,614.93 and 83,917.14

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Solution

The fourth proportional to 151,895.49, 209,614.93 and 83,917.14 is: 115,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,895.49 : 209,614.93 = 83,917.14 : x
  2. Step 2: Convert to fraction form
    151,895.49/209,614.93 = 83,917.14/x
  3. Step 3: Cross multiply
    151,895.49x = 209,614.93 × 83,917.14
  4. Step 4: Simplify right side
    151,895.49x = 17,590,285,426.90
  5. Step 5: Solve for x
    x = 17,590,285,426.90/151,895.49
  6. Step 6: Final answer
    x = 115,805.19

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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.