Home / 122,802.82-169,466.31-69,088.21

Finding the Fourth Proportional to 122,802.82, 169,466.31 and 69,088.21

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Solution

The fourth proportional to 122,802.82, 169,466.31 and 69,088.21 is: 95,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,802.82 : 169,466.31 = 69,088.21 : x
  2. Step 2: Convert to fraction form
    122,802.82/169,466.31 = 69,088.21/x
  3. Step 3: Cross multiply
    122,802.82x = 169,466.31 × 69,088.21
  4. Step 4: Simplify right side
    122,802.82x = 11,708,123,589.54
  5. Step 5: Solve for x
    x = 11,708,123,589.54/122,802.82
  6. Step 6: Final answer
    x = 95,340.84

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1.5x scale

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.