Home / 129,132.60-193,647.84-50,235.36

Finding the Fourth Proportional to 129,132.60, 193,647.84 and 50,235.36

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Solution

The fourth proportional to 129,132.60, 193,647.84 and 50,235.36 is: 75,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,132.60 : 193,647.84 = 50,235.36 : x
  2. Step 2: Convert to fraction form
    129,132.60/193,647.84 = 50,235.36/x
  3. Step 3: Cross multiply
    129,132.60x = 193,647.84 × 50,235.36
  4. Step 4: Simplify right side
    129,132.60x = 9,727,968,955.62
  5. Step 5: Solve for x
    x = 9,727,968,955.62/129,132.60
  6. Step 6: Final answer
    x = 75,333.18

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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.