Home / 245,675.68-368,518.14-77,192.92

Finding the Fourth Proportional to 245,675.68, 368,518.14 and 77,192.92

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Solution

The fourth proportional to 245,675.68, 368,518.14 and 77,192.92 is: 115,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,675.68 : 368,518.14 = 77,192.92 : x
  2. Step 2: Convert to fraction form
    245,675.68/368,518.14 = 77,192.92/x
  3. Step 3: Cross multiply
    245,675.68x = 368,518.14 × 77,192.92
  4. Step 4: Simplify right side
    245,675.68x = 28,446,991,299.57
  5. Step 5: Solve for x
    x = 28,446,991,299.57/245,675.68
  6. Step 6: Final answer
    x = 115,790.83

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1.5x scale

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.