Home / 151,660.73-209,291.20-83,681.93

Finding the Fourth Proportional to 151,660.73, 209,291.20 and 83,681.93

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Solution

The fourth proportional to 151,660.73, 209,291.20 and 83,681.93 is: 115,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,660.73 : 209,291.20 = 83,681.93 : x
  2. Step 2: Convert to fraction form
    151,660.73/209,291.20 = 83,681.93/x
  3. Step 3: Cross multiply
    151,660.73x = 209,291.20 × 83,681.93
  4. Step 4: Simplify right side
    151,660.73x = 17,513,891,548.02
  5. Step 5: Solve for x
    x = 17,513,891,548.02/151,660.73
  6. Step 6: Final answer
    x = 115,480.73

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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.