Home / 129,858.10-194,787.15-124,609.30

Finding the Fourth Proportional to 129,858.10, 194,787.15 and 124,609.30

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Solution

The fourth proportional to 129,858.10, 194,787.15 and 124,609.30 is: 186,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,858.10 : 194,787.15 = 124,609.30 : x
  2. Step 2: Convert to fraction form
    129,858.10/194,787.15 = 124,609.30/x
  3. Step 3: Cross multiply
    129,858.10x = 194,787.15 × 124,609.30
  4. Step 4: Simplify right side
    129,858.10x = 24,272,290,410.50
  5. Step 5: Solve for x
    x = 24,272,290,410.50/129,858.10
  6. Step 6: Final answer
    x = 186,913.95

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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.