Home / 112,304.21-154,923.89-66,950.24

Finding the Fourth Proportional to 112,304.21, 154,923.89 and 66,950.24

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Solution

The fourth proportional to 112,304.21, 154,923.89 and 66,950.24 is: 92,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,304.21 : 154,923.89 = 66,950.24 : x
  2. Step 2: Convert to fraction form
    112,304.21/154,923.89 = 66,950.24/x
  3. Step 3: Cross multiply
    112,304.21x = 154,923.89 × 66,950.24
  4. Step 4: Simplify right side
    112,304.21x = 10,372,190,507.86
  5. Step 5: Solve for x
    x = 10,372,190,507.86/112,304.21
  6. Step 6: Final answer
    x = 92,357.99

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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.