Home / 146,310.80-201,307.56-136,979.60

Finding the Fourth Proportional to 146,310.80, 201,307.56 and 136,979.60

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Solution

The fourth proportional to 146,310.80, 201,307.56 and 136,979.60 is: 188,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,310.80 : 201,307.56 = 136,979.60 : x
  2. Step 2: Convert to fraction form
    146,310.80/201,307.56 = 136,979.60/x
  3. Step 3: Cross multiply
    146,310.80x = 201,307.56 × 136,979.60
  4. Step 4: Simplify right side
    146,310.80x = 27,575,029,045.78
  5. Step 5: Solve for x
    x = 27,575,029,045.78/146,310.80
  6. Step 6: Final answer
    x = 188,468.86

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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.