Home / 130,642.08-195,942.14-35,850.12

Finding the Fourth Proportional to 130,642.08, 195,942.14 and 35,850.12

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Solution

The fourth proportional to 130,642.08, 195,942.14 and 35,850.12 is: 53,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,642.08 : 195,942.14 = 35,850.12 : x
  2. Step 2: Convert to fraction form
    130,642.08/195,942.14 = 35,850.12/x
  3. Step 3: Cross multiply
    130,642.08x = 195,942.14 × 35,850.12
  4. Step 4: Simplify right side
    130,642.08x = 7,024,549,052.81
  5. Step 5: Solve for x
    x = 7,024,549,052.81/130,642.08
  6. Step 6: Final answer
    x = 53,769.42

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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.