Home / 173,045.03-259,364.03-78,164.46

Finding the Fourth Proportional to 173,045.03, 259,364.03 and 78,164.46

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Solution

The fourth proportional to 173,045.03, 259,364.03 and 78,164.46 is: 117,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,045.03 : 259,364.03 = 78,164.46 : x
  2. Step 2: Convert to fraction form
    173,045.03/259,364.03 = 78,164.46/x
  3. Step 3: Cross multiply
    173,045.03x = 259,364.03 × 78,164.46
  4. Step 4: Simplify right side
    173,045.03x = 20,273,048,957.55
  5. Step 5: Solve for x
    x = 20,273,048,957.55/173,045.03
  6. Step 6: Final answer
    x = 117,154.76

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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.