Home / 134,938.86-186,227.82-74,522.58

Finding the Fourth Proportional to 134,938.86, 186,227.82 and 74,522.58

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Solution

The fourth proportional to 134,938.86, 186,227.82 and 74,522.58 is: 102,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,938.86 : 186,227.82 = 74,522.58 : x
  2. Step 2: Convert to fraction form
    134,938.86/186,227.82 = 74,522.58/x
  3. Step 3: Cross multiply
    134,938.86x = 186,227.82 × 74,522.58
  4. Step 4: Simplify right side
    134,938.86x = 13,878,177,614.18
  5. Step 5: Solve for x
    x = 13,878,177,614.18/134,938.86
  6. Step 6: Final answer
    x = 102,847.89

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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.