Home / 251,114.29-346,540.28-136,394.05

Finding the Fourth Proportional to 251,114.29, 346,540.28 and 136,394.05

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Solution

The fourth proportional to 251,114.29, 346,540.28 and 136,394.05 is: 188,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,114.29 : 346,540.28 = 136,394.05 : x
  2. Step 2: Convert to fraction form
    251,114.29/346,540.28 = 136,394.05/x
  3. Step 3: Cross multiply
    251,114.29x = 346,540.28 × 136,394.05
  4. Step 4: Simplify right side
    251,114.29x = 47,266,032,277.33
  5. Step 5: Solve for x
    x = 47,266,032,277.33/251,114.29
  6. Step 6: Final answer
    x = 188,225.18

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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.