Home / 192,659.20-265,962.50-128,235.64

Finding the Fourth Proportional to 192,659.20, 265,962.50 and 128,235.64

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Solution

The fourth proportional to 192,659.20, 265,962.50 and 128,235.64 is: 177,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,659.20 : 265,962.50 = 128,235.64 : x
  2. Step 2: Convert to fraction form
    192,659.20/265,962.50 = 128,235.64/x
  3. Step 3: Cross multiply
    192,659.20x = 265,962.50 × 128,235.64
  4. Step 4: Simplify right side
    192,659.20x = 34,105,871,403.50
  5. Step 5: Solve for x
    x = 34,105,871,403.50/192,659.20
  6. Step 6: Final answer
    x = 177,026.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.