Home / 251,015.51-346,401.36-136,293.59

Finding the Fourth Proportional to 251,015.51, 346,401.36 and 136,293.59

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Solution

The fourth proportional to 251,015.51, 346,401.36 and 136,293.59 is: 188,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,015.51 : 346,401.36 = 136,293.59 : x
  2. Step 2: Convert to fraction form
    251,015.51/346,401.36 = 136,293.59/x
  3. Step 3: Cross multiply
    251,015.51x = 346,401.36 × 136,293.59
  4. Step 4: Simplify right side
    251,015.51x = 47,212,283,852.78
  5. Step 5: Solve for x
    x = 47,212,283,852.78/251,015.51
  6. Step 6: Final answer
    x = 188,085.13

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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.