Home / 154,504.55-213,340.28-124,192.73

Finding the Fourth Proportional to 154,504.55, 213,340.28 and 124,192.73

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Solution

The fourth proportional to 154,504.55, 213,340.28 and 124,192.73 is: 171,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504.55 : 213,340.28 = 124,192.73 : x
  2. Step 2: Convert to fraction form
    154,504.55/213,340.28 = 124,192.73/x
  3. Step 3: Cross multiply
    154,504.55x = 213,340.28 × 124,192.73
  4. Step 4: Simplify right side
    154,504.55x = 26,495,310,104.50
  5. Step 5: Solve for x
    x = 26,495,310,104.50/154,504.55
  6. Step 6: Final answer
    x = 171,485.64

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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.