Home / 186,020.16-279,073.98-57,930

Finding the Fourth Proportional to 186,020.16, 279,073.98 and 57,930

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Solution

The fourth proportional to 186,020.16, 279,073.98 and 57,930 is: 86,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,020.16 : 279,073.98 = 57,930 : x
  2. Step 2: Convert to fraction form
    186,020.16/279,073.98 = 57,930/x
  3. Step 3: Cross multiply
    186,020.16x = 279,073.98 × 57,930
  4. Step 4: Simplify right side
    186,020.16x = 16,166,755,661.40
  5. Step 5: Solve for x
    x = 16,166,755,661.40/186,020.16
  6. Step 6: Final answer
    x = 86,908.62

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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.