Home / 130,534.40-195,801.60-122,661.20

Finding the Fourth Proportional to 130,534.40, 195,801.60 and 122,661.20

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Solution

The fourth proportional to 130,534.40, 195,801.60 and 122,661.20 is: 183,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534.40 : 195,801.60 = 122,661.20 : x
  2. Step 2: Convert to fraction form
    130,534.40/195,801.60 = 122,661.20/x
  3. Step 3: Cross multiply
    130,534.40x = 195,801.60 × 122,661.20
  4. Step 4: Simplify right side
    130,534.40x = 24,017,259,217.92
  5. Step 5: Solve for x
    x = 24,017,259,217.92/130,534.40
  6. Step 6: Final answer
    x = 183,991.80

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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.