Home / 231,244.80-346,795.20-91,046.40

Finding the Fourth Proportional to 231,244.80, 346,795.20 and 91,046.40

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Solution

The fourth proportional to 231,244.80, 346,795.20 and 91,046.40 is: 136,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,244.80 : 346,795.20 = 91,046.40 : x
  2. Step 2: Convert to fraction form
    231,244.80/346,795.20 = 91,046.40/x
  3. Step 3: Cross multiply
    231,244.80x = 346,795.20 × 91,046.40
  4. Step 4: Simplify right side
    231,244.80x = 31,574,454,497.28
  5. Step 5: Solve for x
    x = 31,574,454,497.28/231,244.80
  6. Step 6: Final answer
    x = 136,541.25

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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.