Home / 186,530.31-279,713.16-53,380.26

Finding the Fourth Proportional to 186,530.31, 279,713.16 and 53,380.26

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Solution

The fourth proportional to 186,530.31, 279,713.16 and 53,380.26 is: 80,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,530.31 : 279,713.16 = 53,380.26 : x
  2. Step 2: Convert to fraction form
    186,530.31/279,713.16 = 53,380.26/x
  3. Step 3: Cross multiply
    186,530.31x = 279,713.16 × 53,380.26
  4. Step 4: Simplify right side
    186,530.31x = 14,931,161,206.22
  5. Step 5: Solve for x
    x = 14,931,161,206.22/186,530.31
  6. Step 6: Final answer
    x = 80,046.84

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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.