Home / 173,211.75-259,899.87-119,985.64

Finding the Fourth Proportional to 173,211.75, 259,899.87 and 119,985.64

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Solution

The fourth proportional to 173,211.75, 259,899.87 and 119,985.64 is: 180,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.75 : 259,899.87 = 119,985.64 : x
  2. Step 2: Convert to fraction form
    173,211.75/259,899.87 = 119,985.64/x
  3. Step 3: Cross multiply
    173,211.75x = 259,899.87 × 119,985.64
  4. Step 4: Simplify right side
    173,211.75x = 31,184,252,038.06
  5. Step 5: Solve for x
    x = 31,184,252,038.06/173,211.75
  6. Step 6: Final answer
    x = 180,035.43

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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.