Home / 123,850.14-170,943.78-70,166.78

Finding the Fourth Proportional to 123,850.14, 170,943.78 and 70,166.78

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Solution

The fourth proportional to 123,850.14, 170,943.78 and 70,166.78 is: 96,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,850.14 : 170,943.78 = 70,166.78 : x
  2. Step 2: Convert to fraction form
    123,850.14/170,943.78 = 70,166.78/x
  3. Step 3: Cross multiply
    123,850.14x = 170,943.78 × 70,166.78
  4. Step 4: Simplify right side
    123,850.14x = 11,994,574,603.63
  5. Step 5: Solve for x
    x = 11,994,574,603.63/123,850.14
  6. Step 6: Final answer
    x = 96,847.49

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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.