Home / 119,590.86-164,858.22-76,564.20

Finding the Fourth Proportional to 119,590.86, 164,858.22 and 76,564.20

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Solution

The fourth proportional to 119,590.86, 164,858.22 and 76,564.20 is: 105,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,590.86 : 164,858.22 = 76,564.20 : x
  2. Step 2: Convert to fraction form
    119,590.86/164,858.22 = 76,564.20/x
  3. Step 3: Cross multiply
    119,590.86x = 164,858.22 × 76,564.20
  4. Step 4: Simplify right side
    119,590.86x = 12,622,237,727.72
  5. Step 5: Solve for x
    x = 12,622,237,727.72/119,590.86
  6. Step 6: Final answer
    x = 105,545.17

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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.