Home / 251,188.78-346,646.90-136,466.28

Finding the Fourth Proportional to 251,188.78, 346,646.90 and 136,466.28

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Solution

The fourth proportional to 251,188.78, 346,646.90 and 136,466.28 is: 188,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,188.78 : 346,646.90 = 136,466.28 : x
  2. Step 2: Convert to fraction form
    251,188.78/346,646.90 = 136,466.28/x
  3. Step 3: Cross multiply
    251,188.78x = 346,646.90 × 136,466.28
  4. Step 4: Simplify right side
    251,188.78x = 47,305,612,916.53
  5. Step 5: Solve for x
    x = 47,305,612,916.53/251,188.78
  6. Step 6: Final answer
    x = 188,326.93

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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.