Home / 127,769.16-176,317.38-80,048.28

Finding the Fourth Proportional to 127,769.16, 176,317.38 and 80,048.28

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Solution

The fourth proportional to 127,769.16, 176,317.38 and 80,048.28 is: 110,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769.16 : 176,317.38 = 80,048.28 : x
  2. Step 2: Convert to fraction form
    127,769.16/176,317.38 = 80,048.28/x
  3. Step 3: Cross multiply
    127,769.16x = 176,317.38 × 80,048.28
  4. Step 4: Simplify right side
    127,769.16x = 14,113,903,003.11
  5. Step 5: Solve for x
    x = 14,113,903,003.11/127,769.16
  6. Step 6: Final answer
    x = 110,464.08

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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.