Home / 186,789.24-257,776.38-106,224.12

Finding the Fourth Proportional to 186,789.24, 257,776.38 and 106,224.12

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Solution

The fourth proportional to 186,789.24, 257,776.38 and 106,224.12 is: 146,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789.24 : 257,776.38 = 106,224.12 : x
  2. Step 2: Convert to fraction form
    186,789.24/257,776.38 = 106,224.12/x
  3. Step 3: Cross multiply
    186,789.24x = 257,776.38 × 106,224.12
  4. Step 4: Simplify right side
    186,789.24x = 27,382,069,122.29
  5. Step 5: Solve for x
    x = 27,382,069,122.29/186,789.24
  6. Step 6: Final answer
    x = 146,593.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.