Home / 115,922.10-173,883.15-112,641.60

Finding the Fourth Proportional to 115,922.10, 173,883.15 and 112,641.60

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Solution

The fourth proportional to 115,922.10, 173,883.15 and 112,641.60 is: 168,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,922.10 : 173,883.15 = 112,641.60 : x
  2. Step 2: Convert to fraction form
    115,922.10/173,883.15 = 112,641.60/x
  3. Step 3: Cross multiply
    115,922.10x = 173,883.15 × 112,641.60
  4. Step 4: Simplify right side
    115,922.10x = 19,586,476,229.04
  5. Step 5: Solve for x
    x = 19,586,476,229.04/115,922.10
  6. Step 6: Final answer
    x = 168,962.40

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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.