Home / 129,333.45-193,639.73-66,017.37

Finding the Fourth Proportional to 129,333.45, 193,639.73 and 66,017.37

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Solution

The fourth proportional to 129,333.45, 193,639.73 and 66,017.37 is: 98,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,333.45 : 193,639.73 = 66,017.37 : x
  2. Step 2: Convert to fraction form
    129,333.45/193,639.73 = 66,017.37/x
  3. Step 3: Cross multiply
    129,333.45x = 193,639.73 × 66,017.37
  4. Step 4: Simplify right side
    129,333.45x = 12,783,585,372.02
  5. Step 5: Solve for x
    x = 12,783,585,372.02/129,333.45
  6. Step 6: Final answer
    x = 98,842.07

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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.