Home / 186,790.24-257,777.76-106,225.12

Finding the Fourth Proportional to 186,790.24, 257,777.76 and 106,225.12

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Solution

The fourth proportional to 186,790.24, 257,777.76 and 106,225.12 is: 146,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,790.24 : 257,777.76 = 106,225.12 : x
  2. Step 2: Convert to fraction form
    186,790.24/257,777.76 = 106,225.12/x
  3. Step 3: Cross multiply
    186,790.24x = 257,777.76 × 106,225.12
  4. Step 4: Simplify right side
    186,790.24x = 27,382,473,489.33
  5. Step 5: Solve for x
    x = 27,382,473,489.33/186,790.24
  6. Step 6: Final answer
    x = 146,594.78

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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.