Home / 112,229.32-154,877.87-66,933.14

Finding the Fourth Proportional to 112,229.32, 154,877.87 and 66,933.14

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Solution

The fourth proportional to 112,229.32, 154,877.87 and 66,933.14 is: 92,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,229.32 : 154,877.87 = 66,933.14 : x
  2. Step 2: Convert to fraction form
    112,229.32/154,877.87 = 66,933.14/x
  3. Step 3: Cross multiply
    112,229.32x = 154,877.87 × 66,933.14
  4. Step 4: Simplify right side
    112,229.32x = 10,366,461,548.56
  5. Step 5: Solve for x
    x = 10,366,461,548.56/112,229.32
  6. Step 6: Final answer
    x = 92,368.57

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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.