Home / 127,440.07-190,897.62-74,722.44

Finding the Fourth Proportional to 127,440.07, 190,897.62 and 74,722.44

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Solution

The fourth proportional to 127,440.07, 190,897.62 and 74,722.44 is: 111,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,440.07 : 190,897.62 = 74,722.44 : x
  2. Step 2: Convert to fraction form
    127,440.07/190,897.62 = 74,722.44/x
  3. Step 3: Cross multiply
    127,440.07x = 190,897.62 × 74,722.44
  4. Step 4: Simplify right side
    127,440.07x = 14,264,335,956.59
  5. Step 5: Solve for x
    x = 14,264,335,956.59/127,440.07
  6. Step 6: Final answer
    x = 111,929.76

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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.