Home / 129,521.36-194,292.96-36,027.11

Finding the Fourth Proportional to 129,521.36, 194,292.96 and 36,027.11

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Solution

The fourth proportional to 129,521.36, 194,292.96 and 36,027.11 is: 54,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,521.36 : 194,292.96 = 36,027.11 : x
  2. Step 2: Convert to fraction form
    129,521.36/194,292.96 = 36,027.11/x
  3. Step 3: Cross multiply
    129,521.36x = 194,292.96 × 36,027.11
  4. Step 4: Simplify right side
    129,521.36x = 6,999,812,870.68
  5. Step 5: Solve for x
    x = 6,999,812,870.68/129,521.36
  6. Step 6: Final answer
    x = 54,043.70

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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.