Home / 129,992.04-194,995.35-36,490.50

Finding the Fourth Proportional to 129,992.04, 194,995.35 and 36,490.50

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Solution

The fourth proportional to 129,992.04, 194,995.35 and 36,490.50 is: 54,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,992.04 : 194,995.35 = 36,490.50 : x
  2. Step 2: Convert to fraction form
    129,992.04/194,995.35 = 36,490.50/x
  3. Step 3: Cross multiply
    129,992.04x = 194,995.35 × 36,490.50
  4. Step 4: Simplify right side
    129,992.04x = 7,115,477,819.18
  5. Step 5: Solve for x
    x = 7,115,477,819.18/129,992.04
  6. Step 6: Final answer
    x = 54,737.80

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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.