Home / 151,584.15-209,189.49-83,603.16

Finding the Fourth Proportional to 151,584.15, 209,189.49 and 83,603.16

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Solution

The fourth proportional to 151,584.15, 209,189.49 and 83,603.16 is: 115,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,584.15 : 209,189.49 = 83,603.16 : x
  2. Step 2: Convert to fraction form
    151,584.15/209,189.49 = 83,603.16/x
  3. Step 3: Cross multiply
    151,584.15x = 209,189.49 × 83,603.16
  4. Step 4: Simplify right side
    151,584.15x = 17,488,902,402.79
  5. Step 5: Solve for x
    x = 17,488,902,402.79/151,584.15
  6. Step 6: Final answer
    x = 115,374.22

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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.