Home / 194,901.60-268,965.04-105,477.60

Finding the Fourth Proportional to 194,901.60, 268,965.04 and 105,477.60

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Solution

The fourth proportional to 194,901.60, 268,965.04 and 105,477.60 is: 145,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,901.60 : 268,965.04 = 105,477.60 : x
  2. Step 2: Convert to fraction form
    194,901.60/268,965.04 = 105,477.60/x
  3. Step 3: Cross multiply
    194,901.60x = 268,965.04 × 105,477.60
  4. Step 4: Simplify right side
    194,901.60x = 28,369,786,903.10
  5. Step 5: Solve for x
    x = 28,369,786,903.10/194,901.60
  6. Step 6: Final answer
    x = 145,559.54

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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.