Home / 134,895.33-186,146.01-74,456.28

Finding the Fourth Proportional to 134,895.33, 186,146.01 and 74,456.28

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Solution

The fourth proportional to 134,895.33, 186,146.01 and 74,456.28 is: 102,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,895.33 : 186,146.01 = 74,456.28 : x
  2. Step 2: Convert to fraction form
    134,895.33/186,146.01 = 74,456.28/x
  3. Step 3: Cross multiply
    134,895.33x = 186,146.01 × 74,456.28
  4. Step 4: Simplify right side
    134,895.33x = 13,859,739,441.44
  5. Step 5: Solve for x
    x = 13,859,739,441.44/134,895.33
  6. Step 6: Final answer
    x = 102,744.40

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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.