Home / 130,373.88-195,258.78-111,190.20

Finding the Fourth Proportional to 130,373.88, 195,258.78 and 111,190.20

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Solution

The fourth proportional to 130,373.88, 195,258.78 and 111,190.20 is: 166,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,373.88 : 195,258.78 = 111,190.20 : x
  2. Step 2: Convert to fraction form
    130,373.88/195,258.78 = 111,190.20/x
  3. Step 3: Cross multiply
    130,373.88x = 195,258.78 × 111,190.20
  4. Step 4: Simplify right side
    130,373.88x = 21,710,862,799.96
  5. Step 5: Solve for x
    x = 21,710,862,799.96/130,373.88
  6. Step 6: Final answer
    x = 166,527.70

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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.