Home / 127,288.35-190,933.05-43,048.95

Finding the Fourth Proportional to 127,288.35, 190,933.05 and 43,048.95

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Solution

The fourth proportional to 127,288.35, 190,933.05 and 43,048.95 is: 64,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.35 : 190,933.05 = 43,048.95 : x
  2. Step 2: Convert to fraction form
    127,288.35/190,933.05 = 43,048.95/x
  3. Step 3: Cross multiply
    127,288.35x = 190,933.05 × 43,048.95
  4. Step 4: Simplify right side
    127,288.35x = 8,219,467,322.80
  5. Step 5: Solve for x
    x = 8,219,467,322.80/127,288.35
  6. Step 6: Final answer
    x = 64,573.60

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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.