Home / 154,343.69-231,357.66-104,429.06

Finding the Fourth Proportional to 154,343.69, 231,357.66 and 104,429.06

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Solution

The fourth proportional to 154,343.69, 231,357.66 and 104,429.06 is: 156,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,343.69 : 231,357.66 = 104,429.06 : x
  2. Step 2: Convert to fraction form
    154,343.69/231,357.66 = 104,429.06/x
  3. Step 3: Cross multiply
    154,343.69x = 231,357.66 × 104,429.06
  4. Step 4: Simplify right side
    154,343.69x = 24,160,462,957.60
  5. Step 5: Solve for x
    x = 24,160,462,957.60/154,343.69
  6. Step 6: Final answer
    x = 156,536.77

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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.