Home / 130,851.60-196,277.40-122,103.60

Finding the Fourth Proportional to 130,851.60, 196,277.40 and 122,103.60

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Solution

The fourth proportional to 130,851.60, 196,277.40 and 122,103.60 is: 183,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,851.60 : 196,277.40 = 122,103.60 : x
  2. Step 2: Convert to fraction form
    130,851.60/196,277.40 = 122,103.60/x
  3. Step 3: Cross multiply
    130,851.60x = 196,277.40 × 122,103.60
  4. Step 4: Simplify right side
    130,851.60x = 23,966,177,138.64
  5. Step 5: Solve for x
    x = 23,966,177,138.64/130,851.60
  6. Step 6: Final answer
    x = 183,155.40

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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.