Home / 193,148.40-289,678.30-52,917.96

Finding the Fourth Proportional to 193,148.40, 289,678.30 and 52,917.96

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Solution

The fourth proportional to 193,148.40, 289,678.30 and 52,917.96 is: 79,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,148.40 : 289,678.30 = 52,917.96 : x
  2. Step 2: Convert to fraction form
    193,148.40/289,678.30 = 52,917.96/x
  3. Step 3: Cross multiply
    193,148.40x = 289,678.30 × 52,917.96
  4. Step 4: Simplify right side
    193,148.40x = 15,329,184,692.27
  5. Step 5: Solve for x
    x = 15,329,184,692.27/193,148.40
  6. Step 6: Final answer
    x = 79,364.80

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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.