Home / 132,672.44-183,085.35-72,243.81

Finding the Fourth Proportional to 132,672.44, 183,085.35 and 72,243.81

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Solution

The fourth proportional to 132,672.44, 183,085.35 and 72,243.81 is: 99,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,672.44 : 183,085.35 = 72,243.81 : x
  2. Step 2: Convert to fraction form
    132,672.44/183,085.35 = 72,243.81/x
  3. Step 3: Cross multiply
    132,672.44x = 183,085.35 × 72,243.81
  4. Step 4: Simplify right side
    132,672.44x = 13,226,782,968.27
  5. Step 5: Solve for x
    x = 13,226,782,968.27/132,672.44
  6. Step 6: Final answer
    x = 99,695.03

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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.