Home / 123,895.20-170,975.58-67,306.62

Finding the Fourth Proportional to 123,895.20, 170,975.58 and 67,306.62

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Solution

The fourth proportional to 123,895.20, 170,975.58 and 67,306.62 is: 92,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,895.20 : 170,975.58 = 67,306.62 : x
  2. Step 2: Convert to fraction form
    123,895.20/170,975.58 = 67,306.62/x
  3. Step 3: Cross multiply
    123,895.20x = 170,975.58 × 67,306.62
  4. Step 4: Simplify right side
    123,895.20x = 11,507,788,392.34
  5. Step 5: Solve for x
    x = 11,507,788,392.34/123,895.20
  6. Step 6: Final answer
    x = 92,883.25

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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.