Home / 213,372.30-294,451.56-117,872.76

Finding the Fourth Proportional to 213,372.30, 294,451.56 and 117,872.76

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Solution

The fourth proportional to 213,372.30, 294,451.56 and 117,872.76 is: 162,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,372.30 : 294,451.56 = 117,872.76 : x
  2. Step 2: Convert to fraction form
    213,372.30/294,451.56 = 117,872.76/x
  3. Step 3: Cross multiply
    213,372.30x = 294,451.56 × 117,872.76
  4. Step 4: Simplify right side
    213,372.30x = 34,707,818,063.51
  5. Step 5: Solve for x
    x = 34,707,818,063.51/213,372.30
  6. Step 6: Final answer
    x = 162,663.19

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1.5x scale

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.