Home / 154,429.30-231,622.35-49,258.90

Finding the Fourth Proportional to 154,429.30, 231,622.35 and 49,258.90

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Solution

The fourth proportional to 154,429.30, 231,622.35 and 49,258.90 is: 73,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,429.30 : 231,622.35 = 49,258.90 : x
  2. Step 2: Convert to fraction form
    154,429.30/231,622.35 = 49,258.90/x
  3. Step 3: Cross multiply
    154,429.30x = 231,622.35 × 49,258.90
  4. Step 4: Simplify right side
    154,429.30x = 11,409,462,176.42
  5. Step 5: Solve for x
    x = 11,409,462,176.42/154,429.30
  6. Step 6: Final answer
    x = 73,881.46

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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.