Home / 372,905.20-514,612.52-211,763.60

Finding the Fourth Proportional to 372,905.20, 514,612.52 and 211,763.60

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Solution

The fourth proportional to 372,905.20, 514,612.52 and 211,763.60 is: 292,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,905.20 : 514,612.52 = 211,763.60 : x
  2. Step 2: Convert to fraction form
    372,905.20/514,612.52 = 211,763.60/x
  3. Step 3: Cross multiply
    372,905.20x = 514,612.52 × 211,763.60
  4. Step 4: Simplify right side
    372,905.20x = 108,976,199,840.27
  5. Step 5: Solve for x
    x = 108,976,199,840.27/372,905.20
  6. Step 6: Final answer
    x = 292,235.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.