Home / 114,860.08-172,374.40-75,403.36

Finding the Fourth Proportional to 114,860.08, 172,374.40 and 75,403.36

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Solution

The fourth proportional to 114,860.08, 172,374.40 and 75,403.36 is: 113,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,860.08 : 172,374.40 = 75,403.36 : x
  2. Step 2: Convert to fraction form
    114,860.08/172,374.40 = 75,403.36/x
  3. Step 3: Cross multiply
    114,860.08x = 172,374.40 × 75,403.36
  4. Step 4: Simplify right side
    114,860.08x = 12,997,608,937.98
  5. Step 5: Solve for x
    x = 12,997,608,937.98/114,860.08
  6. Step 6: Final answer
    x = 113,160.37

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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.