Home / 186,915.52-257,939.40-102,034

Finding the Fourth Proportional to 186,915.52, 257,939.40 and 102,034

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Solution

The fourth proportional to 186,915.52, 257,939.40 and 102,034 is: 140,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,915.52 : 257,939.40 = 102,034 : x
  2. Step 2: Convert to fraction form
    186,915.52/257,939.40 = 102,034/x
  3. Step 3: Cross multiply
    186,915.52x = 257,939.40 × 102,034
  4. Step 4: Simplify right side
    186,915.52x = 26,318,588,739.60
  5. Step 5: Solve for x
    x = 26,318,588,739.60/186,915.52
  6. Step 6: Final answer
    x = 140,804.73

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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.