Home / 213,639.17-294,896.25-123,031.21

Finding the Fourth Proportional to 213,639.17, 294,896.25 and 123,031.21

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Solution

The fourth proportional to 213,639.17, 294,896.25 and 123,031.21 is: 169,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,639.17 : 294,896.25 = 123,031.21 : x
  2. Step 2: Convert to fraction form
    213,639.17/294,896.25 = 123,031.21/x
  3. Step 3: Cross multiply
    213,639.17x = 294,896.25 × 123,031.21
  4. Step 4: Simplify right side
    213,639.17x = 36,281,440,372.33
  5. Step 5: Solve for x
    x = 36,281,440,372.33/213,639.17
  6. Step 6: Final answer
    x = 169,825.79

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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.