Home / 129,430.50-194,145.75-35,936.34

Finding the Fourth Proportional to 129,430.50, 194,145.75 and 35,936.34

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Solution

The fourth proportional to 129,430.50, 194,145.75 and 35,936.34 is: 53,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,430.50 : 194,145.75 = 35,936.34 : x
  2. Step 2: Convert to fraction form
    129,430.50/194,145.75 = 35,936.34/x
  3. Step 3: Cross multiply
    129,430.50x = 194,145.75 × 35,936.34
  4. Step 4: Simplify right side
    129,430.50x = 6,976,887,681.56
  5. Step 5: Solve for x
    x = 6,976,887,681.56/129,430.50
  6. Step 6: Final answer
    x = 53,904.51

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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.