Home / 457,179.30-685,436.72-191,015.93

Finding the Fourth Proportional to 457,179.30, 685,436.72 and 191,015.93

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Solution

The fourth proportional to 457,179.30, 685,436.72 and 191,015.93 is: 286,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,179.30 : 685,436.72 = 191,015.93 : x
  2. Step 2: Convert to fraction form
    457,179.30/685,436.72 = 191,015.93/x
  3. Step 3: Cross multiply
    457,179.30x = 685,436.72 × 191,015.93
  4. Step 4: Simplify right side
    457,179.30x = 130,929,333,285.46
  5. Step 5: Solve for x
    x = 130,929,333,285.46/457,179.30
  6. Step 6: Final answer
    x = 286,385.09

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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.