Home / 130,339.52-195,520.68-36,845.30

Finding the Fourth Proportional to 130,339.52, 195,520.68 and 36,845.30

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Solution

The fourth proportional to 130,339.52, 195,520.68 and 36,845.30 is: 55,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339.52 : 195,520.68 = 36,845.30 : x
  2. Step 2: Convert to fraction form
    130,339.52/195,520.68 = 36,845.30/x
  3. Step 3: Cross multiply
    130,339.52x = 195,520.68 × 36,845.30
  4. Step 4: Simplify right side
    130,339.52x = 7,204,018,110.80
  5. Step 5: Solve for x
    x = 7,204,018,110.80/130,339.52
  6. Step 6: Final answer
    x = 55,271.17

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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.