Home / 115,464.40-173,196.60-112,008.40

Finding the Fourth Proportional to 115,464.40, 173,196.60 and 112,008.40

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Solution

The fourth proportional to 115,464.40, 173,196.60 and 112,008.40 is: 168,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.40 : 173,196.60 = 112,008.40 : x
  2. Step 2: Convert to fraction form
    115,464.40/173,196.60 = 112,008.40/x
  3. Step 3: Cross multiply
    115,464.40x = 173,196.60 × 112,008.40
  4. Step 4: Simplify right side
    115,464.40x = 19,399,474,051.44
  5. Step 5: Solve for x
    x = 19,399,474,051.44/115,464.40
  6. Step 6: Final answer
    x = 168,012.60

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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.