Home / 127,122.78-190,674.88-52,222.58

Finding the Fourth Proportional to 127,122.78, 190,674.88 and 52,222.58

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Solution

The fourth proportional to 127,122.78, 190,674.88 and 52,222.58 is: 78,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,122.78 : 190,674.88 = 52,222.58 : x
  2. Step 2: Convert to fraction form
    127,122.78/190,674.88 = 52,222.58/x
  3. Step 3: Cross multiply
    127,122.78x = 190,674.88 × 52,222.58
  4. Step 4: Simplify right side
    127,122.78x = 9,957,534,174.79
  5. Step 5: Solve for x
    x = 9,957,534,174.79/127,122.78
  6. Step 6: Final answer
    x = 78,330.05

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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.