Home / 130,025.48-195,038.82-55,126.80

Finding the Fourth Proportional to 130,025.48, 195,038.82 and 55,126.80

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Solution

The fourth proportional to 130,025.48, 195,038.82 and 55,126.80 is: 82,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,025.48 : 195,038.82 = 55,126.80 : x
  2. Step 2: Convert to fraction form
    130,025.48/195,038.82 = 55,126.80/x
  3. Step 3: Cross multiply
    130,025.48x = 195,038.82 × 55,126.80
  4. Step 4: Simplify right side
    130,025.48x = 10,751,866,022.38
  5. Step 5: Solve for x
    x = 10,751,866,022.38/130,025.48
  6. Step 6: Final answer
    x = 82,690.46

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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.