Home / 186,343.42-257,157.04-105,773.43

Finding the Fourth Proportional to 186,343.42, 257,157.04 and 105,773.43

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Solution

The fourth proportional to 186,343.42, 257,157.04 and 105,773.43 is: 145,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,343.42 : 257,157.04 = 105,773.43 : x
  2. Step 2: Convert to fraction form
    186,343.42/257,157.04 = 105,773.43/x
  3. Step 3: Cross multiply
    186,343.42x = 257,157.04 × 105,773.43
  4. Step 4: Simplify right side
    186,343.42x = 27,200,382,169.45
  5. Step 5: Solve for x
    x = 27,200,382,169.45/186,343.42
  6. Step 6: Final answer
    x = 145,969.10

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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.