Home / 151,004.16-208,387.14-83,021.62

Finding the Fourth Proportional to 151,004.16, 208,387.14 and 83,021.62

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Solution

The fourth proportional to 151,004.16, 208,387.14 and 83,021.62 is: 114,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,004.16 : 208,387.14 = 83,021.62 : x
  2. Step 2: Convert to fraction form
    151,004.16/208,387.14 = 83,021.62/x
  3. Step 3: Cross multiply
    151,004.16x = 208,387.14 × 83,021.62
  4. Step 4: Simplify right side
    151,004.16x = 17,300,637,949.97
  5. Step 5: Solve for x
    x = 17,300,637,949.97/151,004.16
  6. Step 6: Final answer
    x = 114,570.60

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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.