Home / 445,730.16-668,693.67-165,247.41

Finding the Fourth Proportional to 445,730.16, 668,693.67 and 165,247.41

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Solution

The fourth proportional to 445,730.16, 668,693.67 and 165,247.41 is: 247,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,730.16 : 668,693.67 = 165,247.41 : x
  2. Step 2: Convert to fraction form
    445,730.16/668,693.67 = 165,247.41/x
  3. Step 3: Cross multiply
    445,730.16x = 668,693.67 × 165,247.41
  4. Step 4: Simplify right side
    445,730.16x = 110,499,897,050.90
  5. Step 5: Solve for x
    x = 110,499,897,050.90/445,730.16
  6. Step 6: Final answer
    x = 247,907.61

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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.