Home / 127,743.72-176,288.16-73,304.76

Finding the Fourth Proportional to 127,743.72, 176,288.16 and 73,304.76

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Solution

The fourth proportional to 127,743.72, 176,288.16 and 73,304.76 is: 101,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.72 : 176,288.16 = 73,304.76 : x
  2. Step 2: Convert to fraction form
    127,743.72/176,288.16 = 73,304.76/x
  3. Step 3: Cross multiply
    127,743.72x = 176,288.16 × 73,304.76
  4. Step 4: Simplify right side
    127,743.72x = 12,922,761,259.64
  5. Step 5: Solve for x
    x = 12,922,761,259.64/127,743.72
  6. Step 6: Final answer
    x = 101,161.62

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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.