Home / 173,139.60-259,715.88-48,477.36

Finding the Fourth Proportional to 173,139.60, 259,715.88 and 48,477.36

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Solution

The fourth proportional to 173,139.60, 259,715.88 and 48,477.36 is: 72,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.60 : 259,715.88 = 48,477.36 : x
  2. Step 2: Convert to fraction form
    173,139.60/259,715.88 = 48,477.36/x
  3. Step 3: Cross multiply
    173,139.60x = 259,715.88 × 48,477.36
  4. Step 4: Simplify right side
    173,139.60x = 12,590,340,212.48
  5. Step 5: Solve for x
    x = 12,590,340,212.48/173,139.60
  6. Step 6: Final answer
    x = 72,717.85

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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.