Home / 251,117.59-346,544.78-136,398.46

Finding the Fourth Proportional to 251,117.59, 346,544.78 and 136,398.46

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Solution

The fourth proportional to 251,117.59, 346,544.78 and 136,398.46 is: 188,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,117.59 : 346,544.78 = 136,398.46 : x
  2. Step 2: Convert to fraction form
    251,117.59/346,544.78 = 136,398.46/x
  3. Step 3: Cross multiply
    251,117.59x = 346,544.78 × 136,398.46
  4. Step 4: Simplify right side
    251,117.59x = 47,268,174,313.04
  5. Step 5: Solve for x
    x = 47,268,174,313.04/251,117.59
  6. Step 6: Final answer
    x = 188,231.24

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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.