Home / 119,134.08-164,391.39-70,718.76

Finding the Fourth Proportional to 119,134.08, 164,391.39 and 70,718.76

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Solution

The fourth proportional to 119,134.08, 164,391.39 and 70,718.76 is: 97,583.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,134.08 : 164,391.39 = 70,718.76 : x
  2. Step 2: Convert to fraction form
    119,134.08/164,391.39 = 70,718.76/x
  3. Step 3: Cross multiply
    119,134.08x = 164,391.39 × 70,718.76
  4. Step 4: Simplify right side
    119,134.08x = 11,625,555,255.48
  5. Step 5: Solve for x
    x = 11,625,555,255.48/119,134.08
  6. Step 6: Final answer
    x = 97,583.79

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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.