Home / 186,494.60-257,363.12-105,922.79

Finding the Fourth Proportional to 186,494.60, 257,363.12 and 105,922.79

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Solution

The fourth proportional to 186,494.60, 257,363.12 and 105,922.79 is: 146,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,494.60 : 257,363.12 = 105,922.79 : x
  2. Step 2: Convert to fraction form
    186,494.60/257,363.12 = 105,922.79/x
  3. Step 3: Cross multiply
    186,494.60x = 257,363.12 × 105,922.79
  4. Step 4: Simplify right side
    186,494.60x = 27,260,619,656.61
  5. Step 5: Solve for x
    x = 27,260,619,656.61/186,494.60
  6. Step 6: Final answer
    x = 146,173.77

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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.