Home / 173,117.77-259,586.22-78,302.67

Finding the Fourth Proportional to 173,117.77, 259,586.22 and 78,302.67

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Solution

The fourth proportional to 173,117.77, 259,586.22 and 78,302.67 is: 117,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,117.77 : 259,586.22 = 78,302.67 : x
  2. Step 2: Convert to fraction form
    173,117.77/259,586.22 = 78,302.67/x
  3. Step 3: Cross multiply
    173,117.77x = 259,586.22 × 78,302.67
  4. Step 4: Simplify right side
    173,117.77x = 20,326,293,000.94
  5. Step 5: Solve for x
    x = 20,326,293,000.94/173,117.77
  6. Step 6: Final answer
    x = 117,413.09

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1.5x scale

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.