Home / 251,111.79-346,536.82-136,391.55

Finding the Fourth Proportional to 251,111.79, 346,536.82 and 136,391.55

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Solution

The fourth proportional to 251,111.79, 346,536.82 and 136,391.55 is: 188,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,111.79 : 346,536.82 = 136,391.55 : x
  2. Step 2: Convert to fraction form
    251,111.79/346,536.82 = 136,391.55/x
  3. Step 3: Cross multiply
    251,111.79x = 346,536.82 × 136,391.55
  4. Step 4: Simplify right side
    251,111.79x = 47,264,692,882.85
  5. Step 5: Solve for x
    x = 47,264,692,882.85/251,111.79
  6. Step 6: Final answer
    x = 188,221.72

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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.