Home / 186,570.43-257,467.28-105,998.09

Finding the Fourth Proportional to 186,570.43, 257,467.28 and 105,998.09

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Solution

The fourth proportional to 186,570.43, 257,467.28 and 105,998.09 is: 146,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570.43 : 257,467.28 = 105,998.09 : x
  2. Step 2: Convert to fraction form
    186,570.43/257,467.28 = 105,998.09/x
  3. Step 3: Cross multiply
    186,570.43x = 257,467.28 × 105,998.09
  4. Step 4: Simplify right side
    186,570.43x = 27,291,039,917.50
  5. Step 5: Solve for x
    x = 27,291,039,917.50/186,570.43
  6. Step 6: Final answer
    x = 146,277.41

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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.