Home / 331,141.18-457,013.73-185,970.82

Finding the Fourth Proportional to 331,141.18, 457,013.73 and 185,970.82

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Solution

The fourth proportional to 331,141.18, 457,013.73 and 185,970.82 is: 256,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,141.18 : 457,013.73 = 185,970.82 : x
  2. Step 2: Convert to fraction form
    331,141.18/457,013.73 = 185,970.82/x
  3. Step 3: Cross multiply
    331,141.18x = 457,013.73 × 185,970.82
  4. Step 4: Simplify right side
    331,141.18x = 84,991,218,119.36
  5. Step 5: Solve for x
    x = 84,991,218,119.36/331,141.18
  6. Step 6: Final answer
    x = 256,661.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.