Home / 132,999.24-183,537.38-72,568.58

Finding the Fourth Proportional to 132,999.24, 183,537.38 and 72,568.58

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Solution

The fourth proportional to 132,999.24, 183,537.38 and 72,568.58 is: 100,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,999.24 : 183,537.38 = 72,568.58 : x
  2. Step 2: Convert to fraction form
    132,999.24/183,537.38 = 72,568.58/x
  3. Step 3: Cross multiply
    132,999.24x = 183,537.38 × 72,568.58
  4. Step 4: Simplify right side
    132,999.24x = 13,319,047,683.79
  5. Step 5: Solve for x
    x = 13,319,047,683.79/132,999.24
  6. Step 6: Final answer
    x = 100,143.79

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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.