Home / 154,850.80-213,698.28-91,176.88

Finding the Fourth Proportional to 154,850.80, 213,698.28 and 91,176.88

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Solution

The fourth proportional to 154,850.80, 213,698.28 and 91,176.88 is: 125,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,850.80 : 213,698.28 = 91,176.88 : x
  2. Step 2: Convert to fraction form
    154,850.80/213,698.28 = 91,176.88/x
  3. Step 3: Cross multiply
    154,850.80x = 213,698.28 × 91,176.88
  4. Step 4: Simplify right side
    154,850.80x = 19,484,342,431.77
  5. Step 5: Solve for x
    x = 19,484,342,431.77/154,850.80
  6. Step 6: Final answer
    x = 125,826.55

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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.