Home / 130,124.40-195,186.60-122,251.20

Finding the Fourth Proportional to 130,124.40, 195,186.60 and 122,251.20

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Solution

The fourth proportional to 130,124.40, 195,186.60 and 122,251.20 is: 183,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,124.40 : 195,186.60 = 122,251.20 : x
  2. Step 2: Convert to fraction form
    130,124.40/195,186.60 = 122,251.20/x
  3. Step 3: Cross multiply
    130,124.40x = 195,186.60 × 122,251.20
  4. Step 4: Simplify right side
    130,124.40x = 23,861,796,073.92
  5. Step 5: Solve for x
    x = 23,861,796,073.92/130,124.40
  6. Step 6: Final answer
    x = 183,376.80

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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.