Home / 265,006.08-397,505.07-107,122.50

Finding the Fourth Proportional to 265,006.08, 397,505.07 and 107,122.50

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Solution

The fourth proportional to 265,006.08, 397,505.07 and 107,122.50 is: 160,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,006.08 : 397,505.07 = 107,122.50 : x
  2. Step 2: Convert to fraction form
    265,006.08/397,505.07 = 107,122.50/x
  3. Step 3: Cross multiply
    265,006.08x = 397,505.07 × 107,122.50
  4. Step 4: Simplify right side
    265,006.08x = 42,581,736,861.08
  5. Step 5: Solve for x
    x = 42,581,736,861.08/265,006.08
  6. Step 6: Final answer
    x = 160,682.11

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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.