Home / 134,626.80-185,784.12-74,197.50

Finding the Fourth Proportional to 134,626.80, 185,784.12 and 74,197.50

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Solution

The fourth proportional to 134,626.80, 185,784.12 and 74,197.50 is: 102,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,626.80 : 185,784.12 = 74,197.50 : x
  2. Step 2: Convert to fraction form
    134,626.80/185,784.12 = 74,197.50/x
  3. Step 3: Cross multiply
    134,626.80x = 185,784.12 × 74,197.50
  4. Step 4: Simplify right side
    134,626.80x = 13,784,717,243.70
  5. Step 5: Solve for x
    x = 13,784,717,243.70/134,626.80
  6. Step 6: Final answer
    x = 102,392.07

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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.