Home / 351,966.96-528,048.86-115,475.72

Finding the Fourth Proportional to 351,966.96, 528,048.86 and 115,475.72

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Solution

The fourth proportional to 351,966.96, 528,048.86 and 115,475.72 is: 173,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,966.96 : 528,048.86 = 115,475.72 : x
  2. Step 2: Convert to fraction form
    351,966.96/528,048.86 = 115,475.72/x
  3. Step 3: Cross multiply
    351,966.96x = 528,048.86 × 115,475.72
  4. Step 4: Simplify right side
    351,966.96x = 60,976,819,086.06
  5. Step 5: Solve for x
    x = 60,976,819,086.06/351,966.96
  6. Step 6: Final answer
    x = 173,245.86

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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.