Home / 123,497.34-170,425.26-66,908.58

Finding the Fourth Proportional to 123,497.34, 170,425.26 and 66,908.58

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Solution

The fourth proportional to 123,497.34, 170,425.26 and 66,908.58 is: 92,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,497.34 : 170,425.26 = 66,908.58 : x
  2. Step 2: Convert to fraction form
    123,497.34/170,425.26 = 66,908.58/x
  3. Step 3: Cross multiply
    123,497.34x = 170,425.26 × 66,908.58
  4. Step 4: Simplify right side
    123,497.34x = 11,402,912,142.73
  5. Step 5: Solve for x
    x = 11,402,912,142.73/123,497.34
  6. Step 6: Final answer
    x = 92,333.26

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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.