Home / 151,362.19-208,896.23-83,386.13

Finding the Fourth Proportional to 151,362.19, 208,896.23 and 83,386.13

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Solution

The fourth proportional to 151,362.19, 208,896.23 and 83,386.13 is: 115,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,362.19 : 208,896.23 = 83,386.13 : x
  2. Step 2: Convert to fraction form
    151,362.19/208,896.23 = 83,386.13/x
  3. Step 3: Cross multiply
    151,362.19x = 208,896.23 × 83,386.13
  4. Step 4: Simplify right side
    151,362.19x = 17,419,047,825.94
  5. Step 5: Solve for x
    x = 17,419,047,825.94/151,362.19
  6. Step 6: Final answer
    x = 115,081.90

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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.