Home / 134,623.84-185,779.94-74,194.50

Finding the Fourth Proportional to 134,623.84, 185,779.94 and 74,194.50

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Solution

The fourth proportional to 134,623.84, 185,779.94 and 74,194.50 is: 102,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,623.84 : 185,779.94 = 74,194.50 : x
  2. Step 2: Convert to fraction form
    134,623.84/185,779.94 = 74,194.50/x
  3. Step 3: Cross multiply
    134,623.84x = 185,779.94 × 74,194.50
  4. Step 4: Simplify right side
    134,623.84x = 13,783,849,758.33
  5. Step 5: Solve for x
    x = 13,783,849,758.33/134,623.84
  6. Step 6: Final answer
    x = 102,387.88

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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.