Home / 126,783.32-174,960.38-68,640.09

Finding the Fourth Proportional to 126,783.32, 174,960.38 and 68,640.09

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Solution

The fourth proportional to 126,783.32, 174,960.38 and 68,640.09 is: 94,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,783.32 : 174,960.38 = 68,640.09 : x
  2. Step 2: Convert to fraction form
    126,783.32/174,960.38 = 68,640.09/x
  3. Step 3: Cross multiply
    126,783.32x = 174,960.38 × 68,640.09
  4. Step 4: Simplify right side
    126,783.32x = 12,009,295,886.43
  5. Step 5: Solve for x
    x = 12,009,295,886.43/126,783.32
  6. Step 6: Final answer
    x = 94,723.00

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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.