Home / 186,447.26-257,288.37-105,864.23

Finding the Fourth Proportional to 186,447.26, 257,288.37 and 105,864.23

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Solution

The fourth proportional to 186,447.26, 257,288.37 and 105,864.23 is: 146,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,447.26 : 257,288.37 = 105,864.23 : x
  2. Step 2: Convert to fraction form
    186,447.26/257,288.37 = 105,864.23/x
  3. Step 3: Cross multiply
    186,447.26x = 257,288.37 × 105,864.23
  4. Step 4: Simplify right side
    186,447.26x = 27,237,635,178.01
  5. Step 5: Solve for x
    x = 27,237,635,178.01/186,447.26
  6. Step 6: Final answer
    x = 146,087.61

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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.