Home / 186,536.28-257,411.34-105,961.80

Finding the Fourth Proportional to 186,536.28, 257,411.34 and 105,961.80

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Solution

The fourth proportional to 186,536.28, 257,411.34 and 105,961.80 is: 146,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,536.28 : 257,411.34 = 105,961.80 : x
  2. Step 2: Convert to fraction form
    186,536.28/257,411.34 = 105,961.80/x
  3. Step 3: Cross multiply
    186,536.28x = 257,411.34 × 105,961.80
  4. Step 4: Simplify right side
    186,536.28x = 27,275,768,926.81
  5. Step 5: Solve for x
    x = 27,275,768,926.81/186,536.28
  6. Step 6: Final answer
    x = 146,222.33

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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.