Home / 251,112.35-346,537.59-136,392.10

Finding the Fourth Proportional to 251,112.35, 346,537.59 and 136,392.10

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Solution

The fourth proportional to 251,112.35, 346,537.59 and 136,392.10 is: 188,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,112.35 : 346,537.59 = 136,392.10 : x
  2. Step 2: Convert to fraction form
    251,112.35/346,537.59 = 136,392.10/x
  3. Step 3: Cross multiply
    251,112.35x = 346,537.59 × 136,392.10
  4. Step 4: Simplify right side
    251,112.35x = 47,264,990,967.70
  5. Step 5: Solve for x
    x = 47,264,990,967.70/251,112.35
  6. Step 6: Final answer
    x = 188,222.48

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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.