Home / 122,964.01-170,464.16-116,228.72

Finding the Fourth Proportional to 122,964.01, 170,464.16 and 116,228.72

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Solution

The fourth proportional to 122,964.01, 170,464.16 and 116,228.72 is: 161,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,964.01 : 170,464.16 = 116,228.72 : x
  2. Step 2: Convert to fraction form
    122,964.01/170,464.16 = 116,228.72/x
  3. Step 3: Cross multiply
    122,964.01x = 170,464.16 × 116,228.72
  4. Step 4: Simplify right side
    122,964.01x = 19,812,831,839.41
  5. Step 5: Solve for x
    x = 19,812,831,839.41/122,964.01
  6. Step 6: Final answer
    x = 161,127.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.