Home / 130,351.56-195,601.20-70,379.19

Finding the Fourth Proportional to 130,351.56, 195,601.20 and 70,379.19

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Solution

The fourth proportional to 130,351.56, 195,601.20 and 70,379.19 is: 105,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,351.56 : 195,601.20 = 70,379.19 : x
  2. Step 2: Convert to fraction form
    130,351.56/195,601.20 = 70,379.19/x
  3. Step 3: Cross multiply
    130,351.56x = 195,601.20 × 70,379.19
  4. Step 4: Simplify right side
    130,351.56x = 13,766,254,019.03
  5. Step 5: Solve for x
    x = 13,766,254,019.03/130,351.56
  6. Step 6: Final answer
    x = 105,608.66

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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.