Home / 195,953.12-293,431.13-129,190.70

Finding the Fourth Proportional to 195,953.12, 293,431.13 and 129,190.70

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Solution

The fourth proportional to 195,953.12, 293,431.13 and 129,190.70 is: 193,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,953.12 : 293,431.13 = 129,190.70 : x
  2. Step 2: Convert to fraction form
    195,953.12/293,431.13 = 129,190.70/x
  3. Step 3: Cross multiply
    195,953.12x = 293,431.13 × 129,190.70
  4. Step 4: Simplify right side
    195,953.12x = 37,908,573,086.49
  5. Step 5: Solve for x
    x = 37,908,573,086.49/195,953.12
  6. Step 6: Final answer
    x = 193,457.36

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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.