Home / 172,917.60-259,376.40-113,868.60

Finding the Fourth Proportional to 172,917.60, 259,376.40 and 113,868.60

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Solution

The fourth proportional to 172,917.60, 259,376.40 and 113,868.60 is: 170,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,917.60 : 259,376.40 = 113,868.60 : x
  2. Step 2: Convert to fraction form
    172,917.60/259,376.40 = 113,868.60/x
  3. Step 3: Cross multiply
    172,917.60x = 259,376.40 × 113,868.60
  4. Step 4: Simplify right side
    172,917.60x = 29,534,827,541.04
  5. Step 5: Solve for x
    x = 29,534,827,541.04/172,917.60
  6. Step 6: Final answer
    x = 170,802.90

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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.