Home / 251,012.49-346,400.22-136,292.51

Finding the Fourth Proportional to 251,012.49, 346,400.22 and 136,292.51

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Solution

The fourth proportional to 251,012.49, 346,400.22 and 136,292.51 is: 188,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,012.49 : 346,400.22 = 136,292.51 : x
  2. Step 2: Convert to fraction form
    251,012.49/346,400.22 = 136,292.51/x
  3. Step 3: Cross multiply
    251,012.49x = 346,400.22 × 136,292.51
  4. Step 4: Simplify right side
    251,012.49x = 47,211,753,716.35
  5. Step 5: Solve for x
    x = 47,211,753,716.35/251,012.49
  6. Step 6: Final answer
    x = 188,085.28

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1.5x scale

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.