Home / 132,823.23-183,293.76-72,394.59

Finding the Fourth Proportional to 132,823.23, 183,293.76 and 72,394.59

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Solution

The fourth proportional to 132,823.23, 183,293.76 and 72,394.59 is: 99,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,823.23 : 183,293.76 = 72,394.59 : x
  2. Step 2: Convert to fraction form
    132,823.23/183,293.76 = 72,394.59/x
  3. Step 3: Cross multiply
    132,823.23x = 183,293.76 × 72,394.59
  4. Step 4: Simplify right side
    132,823.23x = 13,269,476,604.76
  5. Step 5: Solve for x
    x = 13,269,476,604.76/132,823.23
  6. Step 6: Final answer
    x = 99,903.28

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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.