Home / 457,179.18-685,436.53-191,015.81

Finding the Fourth Proportional to 457,179.18, 685,436.53 and 191,015.81

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Solution

The fourth proportional to 457,179.18, 685,436.53 and 191,015.81 is: 286,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,179.18 : 685,436.53 = 191,015.81 : x
  2. Step 2: Convert to fraction form
    457,179.18/685,436.53 = 191,015.81/x
  3. Step 3: Cross multiply
    457,179.18x = 685,436.53 × 191,015.81
  4. Step 4: Simplify right side
    457,179.18x = 130,929,213,981.54
  5. Step 5: Solve for x
    x = 130,929,213,981.54/457,179.18
  6. Step 6: Final answer
    x = 286,384.90

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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.