Home / 132,868.26-183,254.52-85,126.08

Finding the Fourth Proportional to 132,868.26, 183,254.52 and 85,126.08

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Solution

The fourth proportional to 132,868.26, 183,254.52 and 85,126.08 is: 117,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868.26 : 183,254.52 = 85,126.08 : x
  2. Step 2: Convert to fraction form
    132,868.26/183,254.52 = 85,126.08/x
  3. Step 3: Cross multiply
    132,868.26x = 183,254.52 × 85,126.08
  4. Step 4: Simplify right side
    132,868.26x = 15,599,738,929.88
  5. Step 5: Solve for x
    x = 15,599,738,929.88/132,868.26
  6. Step 6: Final answer
    x = 117,407.57

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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.