Home / 154,039.80-230,731.65-124,515.30

Finding the Fourth Proportional to 154,039.80, 230,731.65 and 124,515.30

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Solution

The fourth proportional to 154,039.80, 230,731.65 and 124,515.30 is: 186,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,039.80 : 230,731.65 = 124,515.30 : x
  2. Step 2: Convert to fraction form
    154,039.80/230,731.65 = 124,515.30/x
  3. Step 3: Cross multiply
    154,039.80x = 230,731.65 × 124,515.30
  4. Step 4: Simplify right side
    154,039.80x = 28,729,620,619.25
  5. Step 5: Solve for x
    x = 28,729,620,619.25/154,039.80
  6. Step 6: Final answer
    x = 186,507.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.