Home / 186,378.57-279,577.04-53,278.29

Finding the Fourth Proportional to 186,378.57, 279,577.04 and 53,278.29

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Solution

The fourth proportional to 186,378.57, 279,577.04 and 53,278.29 is: 79,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,378.57 : 279,577.04 = 53,278.29 : x
  2. Step 2: Convert to fraction form
    186,378.57/279,577.04 = 53,278.29/x
  3. Step 3: Cross multiply
    186,378.57x = 279,577.04 × 53,278.29
  4. Step 4: Simplify right side
    186,378.57x = 14,895,386,348.07
  5. Step 5: Solve for x
    x = 14,895,386,348.07/186,378.57
  6. Step 6: Final answer
    x = 79,920.06

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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.