Home / 186,452.56-257,306.28-105,881.74

Finding the Fourth Proportional to 186,452.56, 257,306.28 and 105,881.74

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Solution

The fourth proportional to 186,452.56, 257,306.28 and 105,881.74 is: 146,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,452.56 : 257,306.28 = 105,881.74 : x
  2. Step 2: Convert to fraction form
    186,452.56/257,306.28 = 105,881.74/x
  3. Step 3: Cross multiply
    186,452.56x = 257,306.28 × 105,881.74
  4. Step 4: Simplify right side
    186,452.56x = 27,244,036,639.33
  5. Step 5: Solve for x
    x = 27,244,036,639.33/186,452.56
  6. Step 6: Final answer
    x = 146,117.79

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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.