Home / 245,011.14-367,283.43-78,682.50

Finding the Fourth Proportional to 245,011.14, 367,283.43 and 78,682.50

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Solution

The fourth proportional to 245,011.14, 367,283.43 and 78,682.50 is: 117,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,011.14 : 367,283.43 = 78,682.50 : x
  2. Step 2: Convert to fraction form
    245,011.14/367,283.43 = 78,682.50/x
  3. Step 3: Cross multiply
    245,011.14x = 367,283.43 × 78,682.50
  4. Step 4: Simplify right side
    245,011.14x = 28,898,778,480.98
  5. Step 5: Solve for x
    x = 28,898,778,480.98/245,011.14
  6. Step 6: Final answer
    x = 117,948.83

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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.