Home / 282,462.39-423,693.45-72,100.26

Finding the Fourth Proportional to 282,462.39, 423,693.45 and 72,100.26

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Solution

The fourth proportional to 282,462.39, 423,693.45 and 72,100.26 is: 108,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,462.39 : 423,693.45 = 72,100.26 : x
  2. Step 2: Convert to fraction form
    282,462.39/423,693.45 = 72,100.26/x
  3. Step 3: Cross multiply
    282,462.39x = 423,693.45 × 72,100.26
  4. Step 4: Simplify right side
    282,462.39x = 30,548,407,905.30
  5. Step 5: Solve for x
    x = 30,548,407,905.30/282,462.39
  6. Step 6: Final answer
    x = 108,150.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.