Home / 369,867.18-554,310.29-189,945.33

Finding the Fourth Proportional to 369,867.18, 554,310.29 and 189,945.33

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Solution

The fourth proportional to 369,867.18, 554,310.29 and 189,945.33 is: 284,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,867.18 : 554,310.29 = 189,945.33 : x
  2. Step 2: Convert to fraction form
    369,867.18/554,310.29 = 189,945.33/x
  3. Step 3: Cross multiply
    369,867.18x = 554,310.29 × 189,945.33
  4. Step 4: Simplify right side
    369,867.18x = 105,288,651,431.31
  5. Step 5: Solve for x
    x = 105,288,651,431.31/369,867.18
  6. Step 6: Final answer
    x = 284,666.11

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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.