Home / 186,926.18-258,295.39-133,117.78

Finding the Fourth Proportional to 186,926.18, 258,295.39 and 133,117.78

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Solution

The fourth proportional to 186,926.18, 258,295.39 and 133,117.78 is: 183,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,926.18 : 258,295.39 = 133,117.78 : x
  2. Step 2: Convert to fraction form
    186,926.18/258,295.39 = 133,117.78/x
  3. Step 3: Cross multiply
    186,926.18x = 258,295.39 × 133,117.78
  4. Step 4: Simplify right side
    186,926.18x = 34,383,708,901.03
  5. Step 5: Solve for x
    x = 34,383,708,901.03/186,926.18
  6. Step 6: Final answer
    x = 183,942.71

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1.5x scale

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.