Home / 160,429.10-221,322.66-96,731.51

Finding the Fourth Proportional to 160,429.10, 221,322.66 and 96,731.51

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Solution

The fourth proportional to 160,429.10, 221,322.66 and 96,731.51 is: 133,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,429.10 : 221,322.66 = 96,731.51 : x
  2. Step 2: Convert to fraction form
    160,429.10/221,322.66 = 96,731.51/x
  3. Step 3: Cross multiply
    160,429.10x = 221,322.66 × 96,731.51
  4. Step 4: Simplify right side
    160,429.10x = 21,408,875,099.02
  5. Step 5: Solve for x
    x = 21,408,875,099.02/160,429.10
  6. Step 6: Final answer
    x = 133,447.58

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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.