Home / 127,766.20-176,325.08-70,405.43

Finding the Fourth Proportional to 127,766.20, 176,325.08 and 70,405.43

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Solution

The fourth proportional to 127,766.20, 176,325.08 and 70,405.43 is: 97,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,766.20 : 176,325.08 = 70,405.43 : x
  2. Step 2: Convert to fraction form
    127,766.20/176,325.08 = 70,405.43/x
  3. Step 3: Cross multiply
    127,766.20x = 176,325.08 × 70,405.43
  4. Step 4: Simplify right side
    127,766.20x = 12,414,241,843.53
  5. Step 5: Solve for x
    x = 12,414,241,843.53/127,766.20
  6. Step 6: Final answer
    x = 97,163.74

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1.5x scale

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.