Home / 219,830.41-303,372.57-124,335.19

Finding the Fourth Proportional to 219,830.41, 303,372.57 and 124,335.19

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Solution

The fourth proportional to 219,830.41, 303,372.57 and 124,335.19 is: 171,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,830.41 : 303,372.57 = 124,335.19 : x
  2. Step 2: Convert to fraction form
    219,830.41/303,372.57 = 124,335.19/x
  3. Step 3: Cross multiply
    219,830.41x = 303,372.57 × 124,335.19
  4. Step 4: Simplify right side
    219,830.41x = 37,719,886,131.74
  5. Step 5: Solve for x
    x = 37,719,886,131.74/219,830.41
  6. Step 6: Final answer
    x = 171,586.30

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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.