Home / 130,109.80-195,164.70-36,615.55

Finding the Fourth Proportional to 130,109.80, 195,164.70 and 36,615.55

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Solution

The fourth proportional to 130,109.80, 195,164.70 and 36,615.55 is: 54,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,109.80 : 195,164.70 = 36,615.55 : x
  2. Step 2: Convert to fraction form
    130,109.80/195,164.70 = 36,615.55/x
  3. Step 3: Cross multiply
    130,109.80x = 195,164.70 × 36,615.55
  4. Step 4: Simplify right side
    130,109.80x = 7,146,062,831.09
  5. Step 5: Solve for x
    x = 7,146,062,831.09/130,109.80
  6. Step 6: Final answer
    x = 54,923.33

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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.