Home / 245,409.24-368,103.15-76,925.73

Finding the Fourth Proportional to 245,409.24, 368,103.15 and 76,925.73

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Solution

The fourth proportional to 245,409.24, 368,103.15 and 76,925.73 is: 115,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,409.24 : 368,103.15 = 76,925.73 : x
  2. Step 2: Convert to fraction form
    245,409.24/368,103.15 = 76,925.73/x
  3. Step 3: Cross multiply
    245,409.24x = 368,103.15 × 76,925.73
  4. Step 4: Simplify right side
    245,409.24x = 28,316,603,529.05
  5. Step 5: Solve for x
    x = 28,316,603,529.05/245,409.24
  6. Step 6: Final answer
    x = 115,385.24

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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.