Home / 245,350.50-368,025.28-76,883.74

Finding the Fourth Proportional to 245,350.50, 368,025.28 and 76,883.74

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Solution

The fourth proportional to 245,350.50, 368,025.28 and 76,883.74 is: 115,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,350.50 : 368,025.28 = 76,883.74 : x
  2. Step 2: Convert to fraction form
    245,350.50/368,025.28 = 76,883.74/x
  3. Step 3: Cross multiply
    245,350.50x = 368,025.28 × 76,883.74
  4. Step 4: Simplify right side
    245,350.50x = 28,295,159,940.95
  5. Step 5: Solve for x
    x = 28,295,159,940.95/245,350.50
  6. Step 6: Final answer
    x = 115,325.46

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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.