Home / 173,117.40-259,676.10-135,792.60

Finding the Fourth Proportional to 173,117.40, 259,676.10 and 135,792.60

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Solution

The fourth proportional to 173,117.40, 259,676.10 and 135,792.60 is: 203,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,117.40 : 259,676.10 = 135,792.60 : x
  2. Step 2: Convert to fraction form
    173,117.40/259,676.10 = 135,792.60/x
  3. Step 3: Cross multiply
    173,117.40x = 259,676.10 × 135,792.60
  4. Step 4: Simplify right side
    173,117.40x = 35,262,092,776.86
  5. Step 5: Solve for x
    x = 35,262,092,776.86/173,117.40
  6. Step 6: Final answer
    x = 203,688.90

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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.