Home / 141,455.78-194,012.98-125,512.58

Finding the Fourth Proportional to 141,455.78, 194,012.98 and 125,512.58

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Solution

The fourth proportional to 141,455.78, 194,012.98 and 125,512.58 is: 172,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,455.78 : 194,012.98 = 125,512.58 : x
  2. Step 2: Convert to fraction form
    141,455.78/194,012.98 = 125,512.58/x
  3. Step 3: Cross multiply
    141,455.78x = 194,012.98 × 125,512.58
  4. Step 4: Simplify right side
    141,455.78x = 24,351,069,673.29
  5. Step 5: Solve for x
    x = 24,351,069,673.29/141,455.78
  6. Step 6: Final answer
    x = 172,146.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.