Home / 282,323.09-423,394.81-92,739.47

Finding the Fourth Proportional to 282,323.09, 423,394.81 and 92,739.47

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Solution

The fourth proportional to 282,323.09, 423,394.81 and 92,739.47 is: 139,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,323.09 : 423,394.81 = 92,739.47 : x
  2. Step 2: Convert to fraction form
    282,323.09/423,394.81 = 92,739.47/x
  3. Step 3: Cross multiply
    282,323.09x = 423,394.81 × 92,739.47
  4. Step 4: Simplify right side
    282,323.09x = 39,265,408,452.99
  5. Step 5: Solve for x
    x = 39,265,408,452.99/282,323.09
  6. Step 6: Final answer
    x = 139,079.69

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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.