Home / 615,935.10-923,990.13-189,506.25

Finding the Fourth Proportional to 615,935.10, 923,990.13 and 189,506.25

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Solution

The fourth proportional to 615,935.10, 923,990.13 and 189,506.25 is: 284,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,935.10 : 923,990.13 = 189,506.25 : x
  2. Step 2: Convert to fraction form
    615,935.10/923,990.13 = 189,506.25/x
  3. Step 3: Cross multiply
    615,935.10x = 923,990.13 × 189,506.25
  4. Step 4: Simplify right side
    615,935.10x = 175,101,904,573.31
  5. Step 5: Solve for x
    x = 175,101,904,573.31/615,935.10
  6. Step 6: Final answer
    x = 284,286.29

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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.