Home / 179,861.58-248,211-99,289.17

Finding the Fourth Proportional to 179,861.58, 248,211 and 99,289.17

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Solution

The fourth proportional to 179,861.58, 248,211 and 99,289.17 is: 137,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,861.58 : 248,211 = 99,289.17 : x
  2. Step 2: Convert to fraction form
    179,861.58/248,211 = 99,289.17/x
  3. Step 3: Cross multiply
    179,861.58x = 248,211 × 99,289.17
  4. Step 4: Simplify right side
    179,861.58x = 24,644,664,174.87
  5. Step 5: Solve for x
    x = 24,644,664,174.87/179,861.58
  6. Step 6: Final answer
    x = 137,020.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.