Home / 186,160.45-279,046.25-91,259.23

Finding the Fourth Proportional to 186,160.45, 279,046.25 and 91,259.23

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Solution

The fourth proportional to 186,160.45, 279,046.25 and 91,259.23 is: 136,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,160.45 : 279,046.25 = 91,259.23 : x
  2. Step 2: Convert to fraction form
    186,160.45/279,046.25 = 91,259.23/x
  3. Step 3: Cross multiply
    186,160.45x = 279,046.25 × 91,259.23
  4. Step 4: Simplify right side
    186,160.45x = 25,465,545,909.39
  5. Step 5: Solve for x
    x = 25,465,545,909.39/186,160.45
  6. Step 6: Final answer
    x = 136,793.53

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1.5x scale

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.