Home / 372,905.70-514,613.21-211,764.10

Finding the Fourth Proportional to 372,905.70, 514,613.21 and 211,764.10

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Solution

The fourth proportional to 372,905.70, 514,613.21 and 211,764.10 is: 292,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,905.70 : 514,613.21 = 211,764.10 : x
  2. Step 2: Convert to fraction form
    372,905.70/514,613.21 = 211,764.10/x
  3. Step 3: Cross multiply
    372,905.70x = 514,613.21 × 211,764.10
  4. Step 4: Simplify right side
    372,905.70x = 108,976,603,263.76
  5. Step 5: Solve for x
    x = 108,976,603,263.76/372,905.70
  6. Step 6: Final answer
    x = 292,236.36

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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.