Home / 134,994.40-186,277.73-74,562.12

Finding the Fourth Proportional to 134,994.40, 186,277.73 and 74,562.12

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Solution

The fourth proportional to 134,994.40, 186,277.73 and 74,562.12 is: 102,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,994.40 : 186,277.73 = 74,562.12 : x
  2. Step 2: Convert to fraction form
    134,994.40/186,277.73 = 74,562.12/x
  3. Step 3: Cross multiply
    134,994.40x = 186,277.73 × 74,562.12
  4. Step 4: Simplify right side
    134,994.40x = 13,889,262,084.78
  5. Step 5: Solve for x
    x = 13,889,262,084.78/134,994.40
  6. Step 6: Final answer
    x = 102,887.69

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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.