Home / 132,915.10-183,418.73-75,560.68

Finding the Fourth Proportional to 132,915.10, 183,418.73 and 75,560.68

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Solution

The fourth proportional to 132,915.10, 183,418.73 and 75,560.68 is: 104,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,915.10 : 183,418.73 = 75,560.68 : x
  2. Step 2: Convert to fraction form
    132,915.10/183,418.73 = 75,560.68/x
  3. Step 3: Cross multiply
    132,915.10x = 183,418.73 × 75,560.68
  4. Step 4: Simplify right side
    132,915.10x = 13,859,243,585.73
  5. Step 5: Solve for x
    x = 13,859,243,585.73/132,915.10
  6. Step 6: Final answer
    x = 104,271.40

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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.