Home / 127,043.88-190,566.06-38,322.78

Finding the Fourth Proportional to 127,043.88, 190,566.06 and 38,322.78

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Solution

The fourth proportional to 127,043.88, 190,566.06 and 38,322.78 is: 57,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.88 : 190,566.06 = 38,322.78 : x
  2. Step 2: Convert to fraction form
    127,043.88/190,566.06 = 38,322.78/x
  3. Step 3: Cross multiply
    127,043.88x = 190,566.06 × 38,322.78
  4. Step 4: Simplify right side
    127,043.88x = 7,303,021,192.85
  5. Step 5: Solve for x
    x = 7,303,021,192.85/127,043.88
  6. Step 6: Final answer
    x = 57,484.24

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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.