Home / 231,085.60-346,640.70-73,326.40

Finding the Fourth Proportional to 231,085.60, 346,640.70 and 73,326.40

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Solution

The fourth proportional to 231,085.60, 346,640.70 and 73,326.40 is: 109,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,085.60 : 346,640.70 = 73,326.40 : x
  2. Step 2: Convert to fraction form
    231,085.60/346,640.70 = 73,326.40/x
  3. Step 3: Cross multiply
    231,085.60x = 346,640.70 × 73,326.40
  4. Step 4: Simplify right side
    231,085.60x = 25,417,914,624.48
  5. Step 5: Solve for x
    x = 25,417,914,624.48/231,085.60
  6. Step 6: Final answer
    x = 109,993.50

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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.