Home / 134,915.10-202,372.65-108,671.10

Finding the Fourth Proportional to 134,915.10, 202,372.65 and 108,671.10

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Solution

The fourth proportional to 134,915.10, 202,372.65 and 108,671.10 is: 163,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.10 : 202,372.65 = 108,671.10 : x
  2. Step 2: Convert to fraction form
    134,915.10/202,372.65 = 108,671.10/x
  3. Step 3: Cross multiply
    134,915.10x = 202,372.65 × 108,671.10
  4. Step 4: Simplify right side
    134,915.10x = 21,992,058,485.42
  5. Step 5: Solve for x
    x = 21,992,058,485.42/134,915.10
  6. Step 6: Final answer
    x = 163,006.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.