Home / 129,388.42-194,017.02-59,207.62

Finding the Fourth Proportional to 129,388.42, 194,017.02 and 59,207.62

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Solution

The fourth proportional to 129,388.42, 194,017.02 and 59,207.62 is: 88,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,388.42 : 194,017.02 = 59,207.62 : x
  2. Step 2: Convert to fraction form
    129,388.42/194,017.02 = 59,207.62/x
  3. Step 3: Cross multiply
    129,388.42x = 194,017.02 × 59,207.62
  4. Step 4: Simplify right side
    129,388.42x = 11,487,285,993.69
  5. Step 5: Solve for x
    x = 11,487,285,993.69/129,388.42
  6. Step 6: Final answer
    x = 88,781.41

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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.