Home / 127,676.80-191,545.62-64,341.28

Finding the Fourth Proportional to 127,676.80, 191,545.62 and 64,341.28

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Solution

The fourth proportional to 127,676.80, 191,545.62 and 64,341.28 is: 96,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,676.80 : 191,545.62 = 64,341.28 : x
  2. Step 2: Convert to fraction form
    127,676.80/191,545.62 = 64,341.28/x
  3. Step 3: Cross multiply
    127,676.80x = 191,545.62 × 64,341.28
  4. Step 4: Simplify right side
    127,676.80x = 12,324,290,369.19
  5. Step 5: Solve for x
    x = 12,324,290,369.19/127,676.80
  6. Step 6: Final answer
    x = 96,527.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.