Home / 132,929.56-183,396.88-85,209.24

Finding the Fourth Proportional to 132,929.56, 183,396.88 and 85,209.24

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Solution

The fourth proportional to 132,929.56, 183,396.88 and 85,209.24 is: 117,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,929.56 : 183,396.88 = 85,209.24 : x
  2. Step 2: Convert to fraction form
    132,929.56/183,396.88 = 85,209.24/x
  3. Step 3: Cross multiply
    132,929.56x = 183,396.88 × 85,209.24
  4. Step 4: Simplify right side
    132,929.56x = 15,627,108,763.17
  5. Step 5: Solve for x
    x = 15,627,108,763.17/132,929.56
  6. Step 6: Final answer
    x = 117,559.32

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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.