Home / 154,696.42-213,441.24-91,022.32

Finding the Fourth Proportional to 154,696.42, 213,441.24 and 91,022.32

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Solution

The fourth proportional to 154,696.42, 213,441.24 and 91,022.32 is: 125,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,696.42 : 213,441.24 = 91,022.32 : x
  2. Step 2: Convert to fraction form
    154,696.42/213,441.24 = 91,022.32/x
  3. Step 3: Cross multiply
    154,696.42x = 213,441.24 × 91,022.32
  4. Step 4: Simplify right side
    154,696.42x = 19,427,916,848.48
  5. Step 5: Solve for x
    x = 19,427,916,848.48/154,696.42
  6. Step 6: Final answer
    x = 125,587.37

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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.