Home / 186,273.45-279,412.73-53,153.66

Finding the Fourth Proportional to 186,273.45, 279,412.73 and 53,153.66

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Solution

The fourth proportional to 186,273.45, 279,412.73 and 53,153.66 is: 79,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,273.45 : 279,412.73 = 53,153.66 : x
  2. Step 2: Convert to fraction form
    186,273.45/279,412.73 = 53,153.66/x
  3. Step 3: Cross multiply
    186,273.45x = 279,412.73 × 53,153.66
  4. Step 4: Simplify right side
    186,273.45x = 14,851,810,081.51
  5. Step 5: Solve for x
    x = 14,851,810,081.51/186,273.45
  6. Step 6: Final answer
    x = 79,731.22

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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.