Home / 127,811.57-176,380.31-76,853.48

Finding the Fourth Proportional to 127,811.57, 176,380.31 and 76,853.48

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Solution

The fourth proportional to 127,811.57, 176,380.31 and 76,853.48 is: 106,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,811.57 : 176,380.31 = 76,853.48 : x
  2. Step 2: Convert to fraction form
    127,811.57/176,380.31 = 76,853.48/x
  3. Step 3: Cross multiply
    127,811.57x = 176,380.31 × 76,853.48
  4. Step 4: Simplify right side
    127,811.57x = 13,555,439,360.81
  5. Step 5: Solve for x
    x = 13,555,439,360.81/127,811.57
  6. Step 6: Final answer
    x = 106,058.00

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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.