Home / 284,572.12-426,874.88-107,080.67

Finding the Fourth Proportional to 284,572.12, 426,874.88 and 107,080.67

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Solution

The fourth proportional to 284,572.12, 426,874.88 and 107,080.67 is: 160,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,572.12 : 426,874.88 = 107,080.67 : x
  2. Step 2: Convert to fraction form
    284,572.12/426,874.88 = 107,080.67/x
  3. Step 3: Cross multiply
    284,572.12x = 426,874.88 × 107,080.67
  4. Step 4: Simplify right side
    284,572.12x = 45,710,046,289.90
  5. Step 5: Solve for x
    x = 45,710,046,289.90/284,572.12
  6. Step 6: Final answer
    x = 160,627.28

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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.