Home / 154,416.80-231,603.60-49,246.40

Finding the Fourth Proportional to 154,416.80, 231,603.60 and 49,246.40

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Solution

The fourth proportional to 154,416.80, 231,603.60 and 49,246.40 is: 73,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.80 : 231,603.60 = 49,246.40 : x
  2. Step 2: Convert to fraction form
    154,416.80/231,603.60 = 49,246.40/x
  3. Step 3: Cross multiply
    154,416.80x = 231,603.60 × 49,246.40
  4. Step 4: Simplify right side
    154,416.80x = 11,405,643,527.04
  5. Step 5: Solve for x
    x = 11,405,643,527.04/154,416.80
  6. Step 6: Final answer
    x = 73,862.71

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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.