Home / 129,233.40-193,619.70-105,732.60

Finding the Fourth Proportional to 129,233.40, 193,619.70 and 105,732.60

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Solution

The fourth proportional to 129,233.40, 193,619.70 and 105,732.60 is: 158,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,233.40 : 193,619.70 = 105,732.60 : x
  2. Step 2: Convert to fraction form
    129,233.40/193,619.70 = 105,732.60/x
  3. Step 3: Cross multiply
    129,233.40x = 193,619.70 × 105,732.60
  4. Step 4: Simplify right side
    129,233.40x = 20,471,914,292.22
  5. Step 5: Solve for x
    x = 20,471,914,292.22/129,233.40
  6. Step 6: Final answer
    x = 158,410.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.