Home / 186,452.60-257,306.26-105,881.80

Finding the Fourth Proportional to 186,452.60, 257,306.26 and 105,881.80

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Solution

The fourth proportional to 186,452.60, 257,306.26 and 105,881.80 is: 146,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,452.60 : 257,306.26 = 105,881.80 : x
  2. Step 2: Convert to fraction form
    186,452.60/257,306.26 = 105,881.80/x
  3. Step 3: Cross multiply
    186,452.60x = 257,306.26 × 105,881.80
  4. Step 4: Simplify right side
    186,452.60x = 27,244,049,960.07
  5. Step 5: Solve for x
    x = 27,244,049,960.07/186,452.60
  6. Step 6: Final answer
    x = 146,117.83

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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.