Home / 129,852.10-194,757.90-41,127.40

Finding the Fourth Proportional to 129,852.10, 194,757.90 and 41,127.40

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Solution

The fourth proportional to 129,852.10, 194,757.90 and 41,127.40 is: 61,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,852.10 : 194,757.90 = 41,127.40 : x
  2. Step 2: Convert to fraction form
    129,852.10/194,757.90 = 41,127.40/x
  3. Step 3: Cross multiply
    129,852.10x = 194,757.90 × 41,127.40
  4. Step 4: Simplify right side
    129,852.10x = 8,009,886,056.46
  5. Step 5: Solve for x
    x = 8,009,886,056.46/129,852.10
  6. Step 6: Final answer
    x = 61,684.69

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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.