Home / 154,974.12-213,857.28-94,535.16

Finding the Fourth Proportional to 154,974.12, 213,857.28 and 94,535.16

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Solution

The fourth proportional to 154,974.12, 213,857.28 and 94,535.16 is: 130,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,974.12 : 213,857.28 = 94,535.16 : x
  2. Step 2: Convert to fraction form
    154,974.12/213,857.28 = 94,535.16/x
  3. Step 3: Cross multiply
    154,974.12x = 213,857.28 × 94,535.16
  4. Step 4: Simplify right side
    154,974.12x = 20,217,032,181.96
  5. Step 5: Solve for x
    x = 20,217,032,181.96/154,974.12
  6. Step 6: Final answer
    x = 130,454.25

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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.