Home / 284,243.43-426,140.24-106,730.67

Finding the Fourth Proportional to 284,243.43, 426,140.24 and 106,730.67

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Solution

The fourth proportional to 284,243.43, 426,140.24 and 106,730.67 is: 160,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,243.43 : 426,140.24 = 106,730.67 : x
  2. Step 2: Convert to fraction form
    284,243.43/426,140.24 = 106,730.67/x
  3. Step 3: Cross multiply
    284,243.43x = 426,140.24 × 106,730.67
  4. Step 4: Simplify right side
    284,243.43x = 45,482,232,795.51
  5. Step 5: Solve for x
    x = 45,482,232,795.51/284,243.43
  6. Step 6: Final answer
    x = 160,011.55

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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.