Home / 186,310.80-279,509.58-53,192.88

Finding the Fourth Proportional to 186,310.80, 279,509.58 and 53,192.88

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Solution

The fourth proportional to 186,310.80, 279,509.58 and 53,192.88 is: 79,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,310.80 : 279,509.58 = 53,192.88 : x
  2. Step 2: Convert to fraction form
    186,310.80/279,509.58 = 53,192.88/x
  3. Step 3: Cross multiply
    186,310.80x = 279,509.58 × 53,192.88
  4. Step 4: Simplify right side
    186,310.80x = 14,867,919,547.79
  5. Step 5: Solve for x
    x = 14,867,919,547.79/186,310.80
  6. Step 6: Final answer
    x = 79,801.71

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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.