Home / 134,626.61-185,777.15-74,197.06

Finding the Fourth Proportional to 134,626.61, 185,777.15 and 74,197.06

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Solution

The fourth proportional to 134,626.61, 185,777.15 and 74,197.06 is: 102,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,626.61 : 185,777.15 = 74,197.06 : x
  2. Step 2: Convert to fraction form
    134,626.61/185,777.15 = 74,197.06/x
  3. Step 3: Cross multiply
    134,626.61x = 185,777.15 × 74,197.06
  4. Step 4: Simplify right side
    134,626.61x = 13,784,118,554.75
  5. Step 5: Solve for x
    x = 13,784,118,554.75/134,626.61
  6. Step 6: Final answer
    x = 102,387.77

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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.