Home / 157,028.64-216,694.88-89,051.82

Finding the Fourth Proportional to 157,028.64, 216,694.88 and 89,051.82

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Solution

The fourth proportional to 157,028.64, 216,694.88 and 89,051.82 is: 122,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,028.64 : 216,694.88 = 89,051.82 : x
  2. Step 2: Convert to fraction form
    157,028.64/216,694.88 = 89,051.82/x
  3. Step 3: Cross multiply
    157,028.64x = 216,694.88 × 89,051.82
  4. Step 4: Simplify right side
    157,028.64x = 19,297,073,448.68
  5. Step 5: Solve for x
    x = 19,297,073,448.68/157,028.64
  6. Step 6: Final answer
    x = 122,888.88

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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.