Home / 129,129.99-193,694.73-34,360.17

Finding the Fourth Proportional to 129,129.99, 193,694.73 and 34,360.17

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Solution

The fourth proportional to 129,129.99, 193,694.73 and 34,360.17 is: 51,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,129.99 : 193,694.73 = 34,360.17 : x
  2. Step 2: Convert to fraction form
    129,129.99/193,694.73 = 34,360.17/x
  3. Step 3: Cross multiply
    129,129.99x = 193,694.73 × 34,360.17
  4. Step 4: Simplify right side
    129,129.99x = 6,655,382,995.70
  5. Step 5: Solve for x
    x = 6,655,382,995.70/129,129.99
  6. Step 6: Final answer
    x = 51,540.18

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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.