Home / 186,475.29-257,336.24-105,902.81

Finding the Fourth Proportional to 186,475.29, 257,336.24 and 105,902.81

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Solution

The fourth proportional to 186,475.29, 257,336.24 and 105,902.81 is: 146,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,475.29 : 257,336.24 = 105,902.81 : x
  2. Step 2: Convert to fraction form
    186,475.29/257,336.24 = 105,902.81/x
  3. Step 3: Cross multiply
    186,475.29x = 257,336.24 × 105,902.81
  4. Step 4: Simplify right side
    186,475.29x = 27,252,629,114.64
  5. Step 5: Solve for x
    x = 27,252,629,114.64/186,475.29
  6. Step 6: Final answer
    x = 146,146.06

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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.