Home / 123,772.04-170,805.62-67,183.40

Finding the Fourth Proportional to 123,772.04, 170,805.62 and 67,183.40

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Solution

The fourth proportional to 123,772.04, 170,805.62 and 67,183.40 is: 92,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,772.04 : 170,805.62 = 67,183.40 : x
  2. Step 2: Convert to fraction form
    123,772.04/170,805.62 = 67,183.40/x
  3. Step 3: Cross multiply
    123,772.04x = 170,805.62 × 67,183.40
  4. Step 4: Simplify right side
    123,772.04x = 11,475,302,290.71
  5. Step 5: Solve for x
    x = 11,475,302,290.71/123,772.04
  6. Step 6: Final answer
    x = 92,713.20

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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.