Home / 154,316.44-231,097.16-139,357.36

Finding the Fourth Proportional to 154,316.44, 231,097.16 and 139,357.36

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Solution

The fourth proportional to 154,316.44, 231,097.16 and 139,357.36 is: 208,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,316.44 : 231,097.16 = 139,357.36 : x
  2. Step 2: Convert to fraction form
    154,316.44/231,097.16 = 139,357.36/x
  3. Step 3: Cross multiply
    154,316.44x = 231,097.16 × 139,357.36
  4. Step 4: Simplify right side
    154,316.44x = 32,205,090,121.10
  5. Step 5: Solve for x
    x = 32,205,090,121.10/154,316.44
  6. Step 6: Final answer
    x = 208,695.13

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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.