Home / 112,798.29-169,146.85-67,227.51

Finding the Fourth Proportional to 112,798.29, 169,146.85 and 67,227.51

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Solution

The fourth proportional to 112,798.29, 169,146.85 and 67,227.51 is: 100,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,798.29 : 169,146.85 = 67,227.51 : x
  2. Step 2: Convert to fraction form
    112,798.29/169,146.85 = 67,227.51/x
  3. Step 3: Cross multiply
    112,798.29x = 169,146.85 × 67,227.51
  4. Step 4: Simplify right side
    112,798.29x = 11,371,321,549.84
  5. Step 5: Solve for x
    x = 11,371,321,549.84/112,798.29
  6. Step 6: Final answer
    x = 100,811.12

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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.