Home / 115,433.40-173,150.10-103,623.60

Finding the Fourth Proportional to 115,433.40, 173,150.10 and 103,623.60

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Solution

The fourth proportional to 115,433.40, 173,150.10 and 103,623.60 is: 155,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,433.40 : 173,150.10 = 103,623.60 : x
  2. Step 2: Convert to fraction form
    115,433.40/173,150.10 = 103,623.60/x
  3. Step 3: Cross multiply
    115,433.40x = 173,150.10 × 103,623.60
  4. Step 4: Simplify right side
    115,433.40x = 17,942,436,702.36
  5. Step 5: Solve for x
    x = 17,942,436,702.36/115,433.40
  6. Step 6: Final answer
    x = 155,435.40

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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.