Home / 127,578.32-191,367.60-61,002.80

Finding the Fourth Proportional to 127,578.32, 191,367.60 and 61,002.80

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Solution

The fourth proportional to 127,578.32, 191,367.60 and 61,002.80 is: 91,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,578.32 : 191,367.60 = 61,002.80 : x
  2. Step 2: Convert to fraction form
    127,578.32/191,367.60 = 61,002.80/x
  3. Step 3: Cross multiply
    127,578.32x = 191,367.60 × 61,002.80
  4. Step 4: Simplify right side
    127,578.32x = 11,673,959,429.28
  5. Step 5: Solve for x
    x = 11,673,959,429.28/127,578.32
  6. Step 6: Final answer
    x = 91,504.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.