Home / 186,805.13-280,186.93-66,857.23

Finding the Fourth Proportional to 186,805.13, 280,186.93 and 66,857.23

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Solution

The fourth proportional to 186,805.13, 280,186.93 and 66,857.23 is: 100,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,805.13 : 280,186.93 = 66,857.23 : x
  2. Step 2: Convert to fraction form
    186,805.13/280,186.93 = 66,857.23/x
  3. Step 3: Cross multiply
    186,805.13x = 280,186.93 × 66,857.23
  4. Step 4: Simplify right side
    186,805.13x = 18,732,522,330.45
  5. Step 5: Solve for x
    x = 18,732,522,330.45/186,805.13
  6. Step 6: Final answer
    x = 100,278.41

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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.