Home / 251,675.11-347,307.16-136,949.85

Finding the Fourth Proportional to 251,675.11, 347,307.16 and 136,949.85

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Solution

The fourth proportional to 251,675.11, 347,307.16 and 136,949.85 is: 188,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,675.11 : 347,307.16 = 136,949.85 : x
  2. Step 2: Convert to fraction form
    251,675.11/347,307.16 = 136,949.85/x
  3. Step 3: Cross multiply
    251,675.11x = 347,307.16 × 136,949.85
  4. Step 4: Simplify right side
    251,675.11x = 47,563,661,044.64
  5. Step 5: Solve for x
    x = 47,563,661,044.64/251,675.11
  6. Step 6: Final answer
    x = 188,988.34

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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.