Home / 320,895.36-442,951.92-186,759.36

Finding the Fourth Proportional to 320,895.36, 442,951.92 and 186,759.36

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Solution

The fourth proportional to 320,895.36, 442,951.92 and 186,759.36 is: 257,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,895.36 : 442,951.92 = 186,759.36 : x
  2. Step 2: Convert to fraction form
    320,895.36/442,951.92 = 186,759.36/x
  3. Step 3: Cross multiply
    320,895.36x = 442,951.92 × 186,759.36
  4. Step 4: Simplify right side
    320,895.36x = 82,725,417,089.97
  5. Step 5: Solve for x
    x = 82,725,417,089.97/320,895.36
  6. Step 6: Final answer
    x = 257,795.62

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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.