Home / 127,661.04-176,160.96-73,928.88

Finding the Fourth Proportional to 127,661.04, 176,160.96 and 73,928.88

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Solution

The fourth proportional to 127,661.04, 176,160.96 and 73,928.88 is: 102,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661.04 : 176,160.96 = 73,928.88 : x
  2. Step 2: Convert to fraction form
    127,661.04/176,160.96 = 73,928.88/x
  3. Step 3: Cross multiply
    127,661.04x = 176,160.96 × 73,928.88
  4. Step 4: Simplify right side
    127,661.04x = 13,023,382,472.52
  5. Step 5: Solve for x
    x = 13,023,382,472.52/127,661.04
  6. Step 6: Final answer
    x = 102,015.32

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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.