Home / 119,217.18-164,519.91-65,501.70

Finding the Fourth Proportional to 119,217.18, 164,519.91 and 65,501.70

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Solution

The fourth proportional to 119,217.18, 164,519.91 and 65,501.70 is: 90,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,217.18 : 164,519.91 = 65,501.70 : x
  2. Step 2: Convert to fraction form
    119,217.18/164,519.91 = 65,501.70/x
  3. Step 3: Cross multiply
    119,217.18x = 164,519.91 × 65,501.70
  4. Step 4: Simplify right side
    119,217.18x = 10,776,333,788.85
  5. Step 5: Solve for x
    x = 10,776,333,788.85/119,217.18
  6. Step 6: Final answer
    x = 90,392.46

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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.