Home / 173,187.34-259,774.86-66,543.82

Finding the Fourth Proportional to 173,187.34, 259,774.86 and 66,543.82

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Solution

The fourth proportional to 173,187.34, 259,774.86 and 66,543.82 is: 99,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,187.34 : 259,774.86 = 66,543.82 : x
  2. Step 2: Convert to fraction form
    173,187.34/259,774.86 = 66,543.82/x
  3. Step 3: Cross multiply
    173,187.34x = 259,774.86 × 66,543.82
  4. Step 4: Simplify right side
    173,187.34x = 17,286,411,524.37
  5. Step 5: Solve for x
    x = 17,286,411,524.37/173,187.34
  6. Step 6: Final answer
    x = 99,813.37

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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.