Home / 129,808.04-194,712.06-50,959.40

Finding the Fourth Proportional to 129,808.04, 194,712.06 and 50,959.40

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Solution

The fourth proportional to 129,808.04, 194,712.06 and 50,959.40 is: 76,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,808.04 : 194,712.06 = 50,959.40 : x
  2. Step 2: Convert to fraction form
    129,808.04/194,712.06 = 50,959.40/x
  3. Step 3: Cross multiply
    129,808.04x = 194,712.06 × 50,959.40
  4. Step 4: Simplify right side
    129,808.04x = 9,922,409,750.36
  5. Step 5: Solve for x
    x = 9,922,409,750.36/129,808.04
  6. Step 6: Final answer
    x = 76,439.10

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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.