Home / 151,503.55-209,076.36-83,523.01

Finding the Fourth Proportional to 151,503.55, 209,076.36 and 83,523.01

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Solution

The fourth proportional to 151,503.55, 209,076.36 and 83,523.01 is: 115,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,503.55 : 209,076.36 = 83,523.01 : x
  2. Step 2: Convert to fraction form
    151,503.55/209,076.36 = 83,523.01/x
  3. Step 3: Cross multiply
    151,503.55x = 209,076.36 × 83,523.01
  4. Step 4: Simplify right side
    151,503.55x = 17,462,687,461.90
  5. Step 5: Solve for x
    x = 17,462,687,461.90/151,503.55
  6. Step 6: Final answer
    x = 115,262.56

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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.